[ T4951]  gfs2_sys_fs_add+0x237/0x4a0
[  329.645003][ T4951]  ? gfs2_recover_set+0x240/0x240
[  329.650052][ T4951]  ? snprintf+0xd6/0x120
[  329.654319][ T4951]  ? vscnprintf+0x80/0x80
[  329.658675][ T4951]  ? read_word_at_a_time+0xe/0x20
[  329.663715][ T4951]  ? strscpy+0x89/0x220
[  329.667891][ T4951]  gfs2_fill_super+0x1299/0x2750
[  329.672863][ T4951]  ? gfs2_reconfigure+0xcf0/0xcf0
[  329.677923][ T4951]  ? ptr_to_hashval+0x60/0x60
[  329.682616][ T4951]  ? up_write+0x19d/0x580
[  329.686983][ T4951]  ? set_blocksize+0x1ec/0x370
[  329.691776][ T4951]  get_tree_bdev+0x3fe/0x620
[  329.696384][ T4951]  ? gfs2_reconfigure+0xcf0/0xcf0
[  329.701431][ T4951]  gfs2_get_tree+0x50/0x210
[  329.705949][ T4951]  ? bpf_lsm_capable+0x5/0x10
[  329.710645][ T4951]  vfs_get_tree+0x88/0x270
[  329.715083][ T4951]  do_new_mount+0x2ba/0xb40
[  329.719607][ T4951]  ? do_move_mount_old+0x160/0x160
[  329.724820][ T4951]  ? user_path_at_empty+0x12b/0x180
[  329.730030][ T4951]  __se_sys_mount+0x2d5/0x3c0
[  329.734719][ T4951]  ? __x64_sys_mount+0xc0/0xc0
[  329.739482][ T4951]  ? syscall_enter_from_user_mode+0x2e/0x240
[  329.745462][ T4951]  ? lockdep_hardirqs_on+0x94/0x130
[  329.750673][ T4951]  ? __x64_sys_mount+0x1c/0xc0
[  329.755443][ T4951]  do_syscall_64+0x3b/0xb0
[  329.759869][ T4951]  ? clear_bhb_loop+0x15/0x70
[  329.764556][ T4951]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  329.770459][ T4951] RIP: 0033:0x7feee58fc90a
[  329.774876][ T4951] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  329.794491][ T4951] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  329.802930][ T4951] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  329.810923][ T4951] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  329.818905][ T4951] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  329.826884][ T4951] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  329.834876][ T4951] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  329.842883][ T4951]  </TASK>
[  329.845911][ T4952] CPU: 0 PID: 4952 Comm: syz.4.459 Not tainted 5.15.179-syzkaller #0
[  329.849017][ T4949] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.854080][ T4952] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  329.854095][ T4952] Call Trace:
[  329.854102][ T4952]  <TASK>
[  329.854111][ T4952]  dump_stack_lvl+0x1e3/0x2d0
[  329.854142][ T4952]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  329.854165][ T4952]  ? panic+0x860/0x860
[  329.854189][ T4952]  ? sysfs_create_dir_ns+0x282/0x390
[  329.854219][ T4952]  sysfs_create_dir_ns+0x2c6/0x390
[  329.854246][ T4952]  ? sysfs_warn_dup+0xa0/0xa0
[  329.854270][ T4952]  ? do_raw_spin_unlock+0x137/0x8b0
[  329.854296][ T4952]  ? kobject_set_name_vargs+0xca/0x110
[  329.854323][ T4952]  kobject_add_internal+0x6e0/0xe00
[  329.854352][ T4952]  kobject_init_and_add+0x120/0x190
[  329.854373][ T4952]  ? lockdep_softirqs_off+0x420/0x420
[  329.854395][ T4952]  ? widen_string+0x3a/0x310
[  329.877879][ T4951] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  329.880836][ T4952]  ? kobject_add+0x210/0x210
[  329.887536][ T4951] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  329.888426][ T4952]  ? __init_swait_queue_head+0xaa/0x140
[  329.888459][ T4952]  gfs2_sys_fs_add+0x237/0x4a0
[  329.894463][ T4949] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  329.898132][ T4952]  ? gfs2_recover_set+0x240/0x240
[  329.990145][ T4952]  ? snprintf+0xd6/0x120
[  329.994434][ T4952]  ? vscnprintf+0x80/0x80
[  329.998795][ T4952]  ? read_word_at_a_time+0xe/0x20
[  330.003839][ T4952]  ? strscpy+0x89/0x220
[  330.008017][ T4952]  gfs2_fill_super+0x1299/0x2750
[  330.013002][ T4952]  ? gfs2_reconfigure+0xcf0/0xcf0
[  330.018140][ T4952]  ? ptr_to_hashval+0x60/0x60
[  330.022850][ T4952]  ? up_write+0x19d/0x580
[  330.027223][ T4952]  ? set_blocksize+0x1ec/0x370
[  330.032015][ T4952]  get_tree_bdev+0x3fe/0x620
[  330.036630][ T4952]  ? gfs2_reconfigure+0xcf0/0xcf0
[  330.041681][ T4952]  gfs2_get_tree+0x50/0x210
[  330.046203][ T4952]  ? bpf_lsm_capable+0x5/0x10
[  330.050900][ T4952]  vfs_get_tree+0x88/0x270
[  330.055326][ T4952]  do_new_mount+0x2ba/0xb40
[  330.059840][ T4952]  ? do_move_mount_old+0x160/0x160
[  330.064964][ T4952]  ? user_path_at_empty+0x12b/0x180
[  330.070180][ T4952]  __se_sys_mount+0x2d5/0x3c0
[  330.074957][ T4952]  ? __x64_sys_mount+0xc0/0xc0
[  330.079712][ T4952]  ? syscall_enter_from_user_mode+0x2e/0x240
[  330.085681][ T4952]  ? lockdep_hardirqs_on+0x94/0x130
[  330.090893][ T4952]  ? __x64_sys_mount+0x1c/0xc0
[  330.095650][ T4952]  do_syscall_64+0x3b/0xb0
[  330.100060][ T4952]  ? clear_bhb_loop+0x15/0x70
[  330.104730][ T4952]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  330.110644][ T4952] RIP: 0033:0x7efc5382890a
[  330.115051][ T4952] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  330.134651][ T4952] RSP: 002b:00007ffe12103408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.143064][ T4952] RAX: ffffffffffffffda RBX: 00007ffe12103490 RCX: 00007efc5382890a
[  330.151049][ T4952] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe12103450
[  330.159019][ T4952] RBP: 0000200000000400 R08: 00007ffe12103490 R09: 0000000000000000
[  330.166995][ T4952] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  330.174965][ T4952] R13: 00007ffe12103450 R14: 00000000000125bb R15: 00002000000004c0
[  330.182939][ T4952]  </TASK>
[  330.195734][ T4953] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.203595][ T4952] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  330.217119][ T4952] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.228537][ T4953] CPU: 0 PID: 4953 Comm: syz.0.460 Not tainted 5.15.179-syzkaller #0
[  330.236635][ T4953] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  330.246709][ T4953] Call Trace:
[  330.250004][ T4953]  <TASK>
[  330.252954][ T4953]  dump_stack_lvl+0x1e3/0x2d0
[  330.257663][ T4953]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  330.260871][ T4954] loop5: detected capacity change from 0 to 32768
[  330.263314][ T4953]  ? panic+0x860/0x860
[  330.263344][ T4953]  ? sysfs_create_dir_ns+0x282/0x390
[  330.263373][ T4953]  sysfs_create_dir_ns+0x2c6/0x390
[  330.284204][ T4953]  ? sysfs_warn_dup+0xa0/0xa0
[  330.288928][ T4953]  ? do_raw_spin_unlock+0x137/0x8b0
[  330.294152][ T4953]  ? kobject_set_name_vargs+0xca/0x110
[  330.299638][ T4953]  kobject_add_internal+0x6e0/0xe00
[  330.304877][ T4953]  kobject_init_and_add+0x120/0x190
[  330.310095][ T4953]  ? lockdep_softirqs_off+0x420/0x420
[  330.315483][ T4953]  ? widen_string+0x3a/0x310
[  330.320088][ T4953]  ? kobject_add+0x210/0x210
[  330.324699][ T4953]  ? __init_swait_queue_head+0xaa/0x140
[  330.330259][ T4953]  gfs2_sys_fs_add+0x237/0x4a0
[  330.335039][ T4953]  ? gfs2_recover_set+0x240/0x240
[  330.340079][ T4953]  ? snprintf+0xd6/0x120
[  330.344340][ T4953]  ? vscnprintf+0x80/0x80
[  330.348687][ T4953]  ? read_word_at_a_time+0xe/0x20
[  330.353727][ T4953]  ? strscpy+0x89/0x220
[  330.357900][ T4953]  gfs2_fill_super+0x1299/0x2750
[  330.362872][ T4953]  ? gfs2_reconfigure+0xcf0/0xcf0
[  330.367915][ T4953]  ? ptr_to_hashval+0x60/0x60
[  330.372612][ T4953]  ? up_write+0x19d/0x580
[  330.376974][ T4953]  ? set_blocksize+0x1ec/0x370
[  330.381768][ T4953]  get_tree_bdev+0x3fe/0x620
[  330.386378][ T4953]  ? gfs2_reconfigure+0xcf0/0xcf0
[  330.391421][ T4953]  gfs2_get_tree+0x50/0x210
[  330.395934][ T4953]  ? bpf_lsm_capable+0x5/0x10
[  330.400627][ T4953]  vfs_get_tree+0x88/0x270
[  330.405057][ T4953]  do_new_mount+0x2ba/0xb40
[  330.409575][ T4953]  ? do_move_mount_old+0x160/0x160
[  330.414703][ T4953]  ? user_path_at_empty+0x12b/0x180
[  330.419917][ T4953]  __se_sys_mount+0x2d5/0x3c0
[  330.424611][ T4953]  ? __x64_sys_mount+0xc0/0xc0
[  330.429392][ T4953]  ? syscall_enter_from_user_mode+0x2e/0x240
[  330.435383][ T4953]  ? lockdep_hardirqs_on+0x94/0x130
[  330.440599][ T4953]  ? __x64_sys_mount+0x1c/0xc0
[  330.445384][ T4953]  do_syscall_64+0x3b/0xb0
[  330.449817][ T4953]  ? clear_bhb_loop+0x15/0x70
[  330.454513][ T4953]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  330.460423][ T4953] RIP: 0033:0x7f7799cf090a
[  330.464850][ T4953] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  330.484472][ T4953] RSP: 002b:00007ffcc600d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.492913][ T4953] RAX: ffffffffffffffda RBX: 00007ffcc600da40 RCX: 00007f7799cf090a
[  330.500903][ T4953] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcc600da00
[  330.508888][ T4953] RBP: 0000200000000400 R08: 00007ffcc600da40 R09: 0000000000000000
[  330.516877][ T4953] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  330.524868][ T4953] R13: 00007ffcc600da00 R14: 00000000000125bb R15: 00002000000004c0
[  330.532886][ T4953]  </TASK>
[  330.544940][ T4953] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  330.559187][ T4953] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  330.578528][ T4954] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  330.620647][ T4954] CPU: 0 PID: 4954 Comm: syz.5.461 Not tainted 5.15.179-syzkaller #0
[  330.628758][ T4954] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  330.638828][ T4954] Call Trace:
[  330.642118][ T4954]  <TASK>
[  330.645059][ T4954]  dump_stack_lvl+0x1e3/0x2d0
[  330.649838][ T4954]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  330.655488][ T4954]  ? panic+0x860/0x860
[  330.659574][ T4954]  ? sysfs_create_dir_ns+0x282/0x390
[  330.664881][ T4954]  sysfs_create_dir_ns+0x2c6/0x390
[  330.670016][ T4954]  ? sysfs_warn_dup+0xa0/0xa0
[  330.674709][ T4954]  ? do_raw_spin_unlock+0x137/0x8b0
[  330.679929][ T4954]  ? kobject_set_name_vargs+0xca/0x110
[  330.685430][ T4954]  kobject_add_internal+0x6e0/0xe00
[  330.690734][ T4954]  kobject_init_and_add+0x120/0x190
[  330.695946][ T4954]  ? lockdep_softirqs_off+0x420/0x420
[  330.701367][ T4954]  ? widen_string+0x3a/0x310
[  330.705997][ T4954]  ? kobject_add+0x210/0x210
[  330.710608][ T4954]  ? __init_swait_queue_head+0xaa/0x140
[  330.716169][ T4954]  gfs2_sys_fs_add+0x237/0x4a0
[  330.720950][ T4954]  ? gfs2_recover_set+0x240/0x240
[  330.726005][ T4954]  ? snprintf+0xd6/0x120
[  330.730273][ T4954]  ? vscnprintf+0x80/0x80
[  330.734625][ T4954]  ? read_word_at_a_time+0xe/0x20
[  330.739669][ T4954]  ? strscpy+0x89/0x220
[  330.743848][ T4954]  gfs2_fill_super+0x1299/0x2750
[  330.748835][ T4954]  ? gfs2_reconfigure+0xcf0/0xcf0
[  330.753975][ T4954]  ? ptr_to_hashval+0x60/0x60
[  330.758681][ T4954]  ? up_write+0x19d/0x580
[  330.763050][ T4954]  ? set_blocksize+0x1ec/0x370
[  330.767844][ T4954]  get_tree_bdev+0x3fe/0x620
[  330.772462][ T4954]  ? gfs2_reconfigure+0xcf0/0xcf0
[  330.777511][ T4954]  gfs2_get_tree+0x50/0x210
[  330.782058][ T4954]  ? bpf_lsm_capable+0x5/0x10
[  330.786763][ T4954]  vfs_get_tree+0x88/0x270
[  330.791210][ T4954]  do_new_mount+0x2ba/0xb40
[  330.795740][ T4954]  ? do_move_mount_old+0x160/0x160
[  330.800882][ T4954]  ? user_path_at_empty+0x12b/0x180
[  330.806103][ T4954]  __se_sys_mount+0x2d5/0x3c0
[  330.810807][ T4954]  ? __x64_sys_mount+0xc0/0xc0
[  330.815590][ T4954]  ? syscall_enter_from_user_mode+0x2e/0x240
[  330.821593][ T4954]  ? lockdep_hardirqs_on+0x94/0x130
[  330.826822][ T4954]  ? __x64_sys_mount+0x1c/0xc0
[  330.831620][ T4954]  do_syscall_64+0x3b/0xb0
[  330.836058][ T4954]  ? clear_bhb_loop+0x15/0x70
[  330.840755][ T4954]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  330.846758][ T4954] RIP: 0033:0x7f7668d4490a
[  330.851203][ T4954] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  330.870828][ T4954] RSP: 002b:00007ffdab1b99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  330.879289][ T4954] RAX: ffffffffffffffda RBX: 00007ffdab1b9a30 RCX: 00007f7668d4490a
[  330.887278][ T4954] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdab1b99f0
[  330.895274][ T4954] RBP: 0000200000000400 R08: 00007ffdab1b9a30 R09: 0000000000000000
[  330.903268][ T4954] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  330.911256][ T4954] R13: 00007ffdab1b99f0 R14: 00000000000125bb R15: 00002000000004c0
[  330.919270][ T4954]  </TASK>
[  331.294573][ T4954] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  331.328660][ T4954] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  331.609425][ T4955] loop4: detected capacity change from 0 to 32768
[  331.702565][ T4955] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  331.714344][ T4955] CPU: 1 PID: 4955 Comm: syz.4.462 Not tainted 5.15.179-syzkaller #0
[  331.722460][ T4955] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  331.732531][ T4955] Call Trace:
[  331.735830][ T4955]  <TASK>
[  331.738771][ T4955]  dump_stack_lvl+0x1e3/0x2d0
[  331.743485][ T4955]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  331.749142][ T4955]  ? panic+0x860/0x860
[  331.753235][ T4955]  ? sysfs_create_dir_ns+0x282/0x390
[  331.758543][ T4955]  sysfs_create_dir_ns+0x2c6/0x390
[  331.763694][ T4955]  ? sysfs_warn_dup+0xa0/0xa0
[  331.768401][ T4955]  ? do_raw_spin_unlock+0x137/0x8b0
[  331.773630][ T4955]  ? kobject_set_name_vargs+0xca/0x110
[  331.779116][ T4955]  kobject_add_internal+0x6e0/0xe00
[  331.784362][ T4955]  kobject_init_and_add+0x120/0x190
[  331.789582][ T4955]  ? lockdep_softirqs_off+0x420/0x420
[  331.794976][ T4955]  ? widen_string+0x3a/0x310
[  331.799591][ T4955]  ? kobject_add+0x210/0x210
[  331.804206][ T4955]  ? __init_swait_queue_head+0xaa/0x140
[  331.809783][ T4955]  gfs2_sys_fs_add+0x237/0x4a0
[  331.814575][ T4955]  ? gfs2_recover_set+0x240/0x240
[  331.819620][ T4955]  ? snprintf+0xd6/0x120
[  331.823894][ T4955]  ? vscnprintf+0x80/0x80
[  331.828250][ T4955]  ? read_word_at_a_time+0xe/0x20
[  331.833475][ T4955]  ? strscpy+0x89/0x220
[  331.837770][ T4955]  gfs2_fill_super+0x1299/0x2750
[  331.842759][ T4955]  ? gfs2_reconfigure+0xcf0/0xcf0
[  331.847804][ T4955]  ? ptr_to_hashval+0x60/0x60
[  331.852501][ T4955]  ? up_write+0x19d/0x580
[  331.856866][ T4955]  ? set_blocksize+0x1ec/0x370
[  331.861659][ T4955]  get_tree_bdev+0x3fe/0x620
[  331.866265][ T4955]  ? gfs2_reconfigure+0xcf0/0xcf0
[  331.871322][ T4955]  gfs2_get_tree+0x50/0x210
[  331.875835][ T4955]  ? bpf_lsm_capable+0x5/0x10
[  331.880556][ T4955]  vfs_get_tree+0x88/0x270
[  331.884992][ T4955]  do_new_mount+0x2ba/0xb40
[  331.889514][ T4955]  ? do_move_mount_old+0x160/0x160
[  331.894642][ T4955]  ? user_path_at_empty+0x12b/0x180
[  331.899851][ T4955]  __se_sys_mount+0x2d5/0x3c0
[  331.904564][ T4955]  ? __x64_sys_mount+0xc0/0xc0
[  331.909343][ T4955]  ? syscall_enter_from_user_mode+0x2e/0x240
[  331.915336][ T4955]  ? lockdep_hardirqs_on+0x94/0x130
[  331.920552][ T4955]  ? __x64_sys_mount+0x1c/0xc0
[  331.925331][ T4955]  do_syscall_64+0x3b/0xb0
[  331.929757][ T4955]  ? clear_bhb_loop+0x15/0x70
[  331.934448][ T4955]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  331.940354][ T4955] RIP: 0033:0x7efc5382890a
[  331.944811][ T4955] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  331.948645][ T4956] loop3: detected capacity change from 0 to 32768
[  331.964426][ T4955] RSP: 002b:00007ffe12103408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  331.964454][ T4955] RAX: ffffffffffffffda RBX: 00007ffe12103490 RCX: 00007efc5382890a
[  331.964471][ T4955] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe12103450
[  331.995229][ T4955] RBP: 0000200000000400 R08: 00007ffe12103490 R09: 0000000000000000
[  332.003312][ T4955] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  332.011304][ T4955] R13: 00007ffe12103450 R14: 00000000000125bb R15: 00002000000004c0
[  332.019322][ T4955]  </TASK>
[  332.138883][ T4957] loop1: detected capacity change from 0 to 32768
[  332.147926][ T4956] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  332.168008][ T4956] CPU: 0 PID: 4956 Comm: syz.3.464 Not tainted 5.15.179-syzkaller #0
[  332.176228][ T4956] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  332.186321][ T4956] Call Trace:
[  332.189638][ T4956]  <TASK>
[  332.192583][ T4956]  dump_stack_lvl+0x1e3/0x2d0
[  332.197284][ T4956]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  332.202936][ T4956]  ? panic+0x860/0x860
[  332.207030][ T4956]  ? sysfs_create_dir_ns+0x282/0x390
[  332.212341][ T4956]  sysfs_create_dir_ns+0x2c6/0x390
[  332.217477][ T4956]  ? sysfs_warn_dup+0xa0/0xa0
[  332.222180][ T4956]  ? do_raw_spin_unlock+0x137/0x8b0
[  332.227402][ T4956]  ? kobject_set_name_vargs+0xca/0x110
[  332.232881][ T4956]  kobject_add_internal+0x6e0/0xe00
[  332.238103][ T4956]  kobject_init_and_add+0x120/0x190
[  332.243312][ T4956]  ? lockdep_softirqs_off+0x420/0x420
[  332.248692][ T4956]  ? widen_string+0x3a/0x310
[  332.253299][ T4956]  ? kobject_add+0x210/0x210
[  332.257907][ T4956]  ? __init_swait_queue_head+0xaa/0x140
[  332.263469][ T4956]  gfs2_sys_fs_add+0x237/0x4a0
[  332.268251][ T4956]  ? gfs2_recover_set+0x240/0x240
[  332.273294][ T4956]  ? snprintf+0xd6/0x120
[  332.276453][ T4958] loop0: detected capacity change from 0 to 32768
[  332.277571][ T4956]  ? vscnprintf+0x80/0x80
[  332.288293][ T4956]  ? read_word_at_a_time+0xe/0x20
[  332.293424][ T4956]  ? strscpy+0x89/0x220
[  332.297601][ T4956]  gfs2_fill_super+0x1299/0x2750
[  332.302575][ T4956]  ? gfs2_reconfigure+0xcf0/0xcf0
[  332.307618][ T4956]  ? ptr_to_hashval+0x60/0x60
[  332.312320][ T4956]  ? up_write+0x19d/0x580
[  332.316690][ T4956]  ? set_blocksize+0x1ec/0x370
[  332.321485][ T4956]  get_tree_bdev+0x3fe/0x620
[  332.326094][ T4956]  ? gfs2_reconfigure+0xcf0/0xcf0
[  332.331143][ T4956]  gfs2_get_tree+0x50/0x210
[  332.335665][ T4956]  ? bpf_lsm_capable+0x5/0x10
[  332.340361][ T4956]  vfs_get_tree+0x88/0x270
[  332.344788][ T4956]  do_new_mount+0x2ba/0xb40
[  332.349321][ T4956]  ? do_move_mount_old+0x160/0x160
[  332.354543][ T4956]  ? user_path_at_empty+0x12b/0x180
[  332.359763][ T4956]  __se_sys_mount+0x2d5/0x3c0
[  332.364566][ T4956]  ? __x64_sys_mount+0xc0/0xc0
[  332.369339][ T4956]  ? syscall_enter_from_user_mode+0x2e/0x240
[  332.375327][ T4956]  ? lockdep_hardirqs_on+0x94/0x130
[  332.380559][ T4956]  ? __x64_sys_mount+0x1c/0xc0
[  332.385336][ T4956]  do_syscall_64+0x3b/0xb0
[  332.389762][ T4956]  ? clear_bhb_loop+0x15/0x70
[  332.394455][ T4956]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  332.400356][ T4956] RIP: 0033:0x7feee58fc90a
[  332.404787][ T4956] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  332.424419][ T4956] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  332.432861][ T4956] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  332.440857][ T4956] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  332.448856][ T4956] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  332.456854][ T4956] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  332.464849][ T4956] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  332.472865][ T4956]  </TASK>
[  332.499717][ T4955] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.513363][ T4958] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  332.515737][ T4956] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.523834][ T4958] CPU: 1 PID: 4958 Comm: syz.0.463 Not tainted 5.15.179-syzkaller #0
[  332.535895][ T4956] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  332.542149][ T4958] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  332.542164][ T4958] Call Trace:
[  332.542172][ T4958]  <TASK>
[  332.542181][ T4958]  dump_stack_lvl+0x1e3/0x2d0
[  332.542213][ T4958]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  332.575180][ T4958]  ? panic+0x860/0x860
[  332.579295][ T4958]  ? sysfs_create_dir_ns+0x282/0x390
[  332.584606][ T4958]  sysfs_create_dir_ns+0x2c6/0x390
[  332.589727][ T4958]  ? sysfs_warn_dup+0xa0/0xa0
[  332.594403][ T4958]  ? do_raw_spin_unlock+0x137/0x8b0
[  332.599608][ T4958]  ? kobject_set_name_vargs+0xca/0x110
[  332.605089][ T4958]  kobject_add_internal+0x6e0/0xe00
[  332.610394][ T4958]  kobject_init_and_add+0x120/0x190
[  332.615597][ T4958]  ? lockdep_softirqs_off+0x420/0x420
[  332.620964][ T4958]  ? widen_string+0x3a/0x310
[  332.625554][ T4958]  ? kobject_add+0x210/0x210
[  332.630164][ T4958]  ? __init_swait_queue_head+0xaa/0x140
[  332.635708][ T4958]  gfs2_sys_fs_add+0x237/0x4a0
[  332.640472][ T4958]  ? gfs2_recover_set+0x240/0x240
[  332.645493][ T4958]  ? snprintf+0xd6/0x120
[  332.649732][ T4958]  ? vscnprintf+0x80/0x80
[  332.654078][ T4958]  ? read_word_at_a_time+0xe/0x20
[  332.659097][ T4958]  ? strscpy+0x89/0x220
[  332.663251][ T4958]  gfs2_fill_super+0x1299/0x2750
[  332.668202][ T4958]  ? gfs2_reconfigure+0xcf0/0xcf0
[  332.673225][ T4958]  ? ptr_to_hashval+0x60/0x60
[  332.677901][ T4958]  ? up_write+0x19d/0x580
[  332.682244][ T4958]  ? set_blocksize+0x1ec/0x370
[  332.687015][ T4958]  get_tree_bdev+0x3fe/0x620
[  332.691606][ T4958]  ? gfs2_reconfigure+0xcf0/0xcf0
[  332.696630][ T4958]  gfs2_get_tree+0x50/0x210
[  332.701132][ T4958]  ? bpf_lsm_capable+0x5/0x10
[  332.705830][ T4958]  vfs_get_tree+0x88/0x270
[  332.710247][ T4958]  do_new_mount+0x2ba/0xb40
[  332.714752][ T4958]  ? do_move_mount_old+0x160/0x160
[  332.719865][ T4958]  ? user_path_at_empty+0x12b/0x180
[  332.725063][ T4958]  __se_sys_mount+0x2d5/0x3c0
[  332.729845][ T4958]  ? __x64_sys_mount+0xc0/0xc0
[  332.734720][ T4958]  ? syscall_enter_from_user_mode+0x2e/0x240
[  332.740707][ T4958]  ? lockdep_hardirqs_on+0x94/0x130
[  332.745921][ T4958]  ? __x64_sys_mount+0x1c/0xc0
[  332.750684][ T4958]  do_syscall_64+0x3b/0xb0
[  332.755105][ T4958]  ? clear_bhb_loop+0x15/0x70
[  332.759778][ T4958]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  332.765667][ T4958] RIP: 0033:0x7f7799cf090a
[  332.770079][ T4958] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  332.789678][ T4958] RSP: 002b:00007ffcc600d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  332.798091][ T4958] RAX: ffffffffffffffda RBX: 00007ffcc600da40 RCX: 00007f7799cf090a
[  332.806060][ T4958] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcc600da00
[  332.814027][ T4958] RBP: 0000200000000400 R08: 00007ffcc600da40 R09: 0000000000000000
[  332.821997][ T4958] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  332.829961][ T4958] R13: 00007ffcc600da00 R14: 00000000000125bb R15: 00002000000004c0
[  332.837937][ T4958]  </TASK>
[  332.855805][ T4955] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  332.864284][ T4958] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  332.875057][ T4957] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  332.883341][ T4958] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  332.928784][ T4957] CPU: 1 PID: 4957 Comm: syz.1.465 Not tainted 5.15.179-syzkaller #0
[  332.936905][ T4957] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  332.946985][ T4957] Call Trace:
[  332.950282][ T4957]  <TASK>
[  332.953225][ T4957]  dump_stack_lvl+0x1e3/0x2d0
[  332.957924][ T4957]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  332.963567][ T4957]  ? panic+0x860/0x860
[  332.967651][ T4957]  ? sysfs_create_dir_ns+0x282/0x390
[  332.972954][ T4957]  sysfs_create_dir_ns+0x2c6/0x390
[  332.978083][ T4957]  ? sysfs_warn_dup+0xa0/0xa0
[  332.982773][ T4957]  ? do_raw_spin_unlock+0x137/0x8b0
[  332.988012][ T4957]  ? kobject_set_name_vargs+0xca/0x110
[  332.993500][ T4957]  kobject_add_internal+0x6e0/0xe00
[  332.998729][ T4957]  kobject_init_and_add+0x120/0x190
[  333.003316][ T4959] loop5: detected capacity change from 0 to 32768
[  333.003939][ T4957]  ? lockdep_softirqs_off+0x420/0x420
[  333.015694][ T4957]  ? widen_string+0x3a/0x310
[  333.020310][ T4957]  ? kobject_add+0x210/0x210
[  333.024954][ T4957]  ? __init_swait_queue_head+0xaa/0x140
[  333.030509][ T4957]  gfs2_sys_fs_add+0x237/0x4a0
[  333.035266][ T4957]  ? gfs2_recover_set+0x240/0x240
[  333.040286][ T4957]  ? snprintf+0xd6/0x120
[  333.044545][ T4957]  ? vscnprintf+0x80/0x80
[  333.048873][ T4957]  ? read_word_at_a_time+0xe/0x20
[  333.053905][ T4957]  ? strscpy+0x89/0x220
[  333.058063][ T4957]  gfs2_fill_super+0x1299/0x2750
[  333.063003][ T4957]  ? gfs2_reconfigure+0xcf0/0xcf0
[  333.068016][ T4957]  ? ptr_to_hashval+0x60/0x60
[  333.072699][ T4957]  ? up_write+0x19d/0x580
[  333.077032][ T4957]  ? set_blocksize+0x1ec/0x370
[  333.081788][ T4957]  get_tree_bdev+0x3fe/0x620
[  333.086380][ T4957]  ? gfs2_reconfigure+0xcf0/0xcf0
[  333.091426][ T4957]  gfs2_get_tree+0x50/0x210
[  333.095941][ T4957]  ? bpf_lsm_capable+0x5/0x10
[  333.100613][ T4957]  vfs_get_tree+0x88/0x270
[  333.105107][ T4957]  do_new_mount+0x2ba/0xb40
[  333.109603][ T4957]  ? do_move_mount_old+0x160/0x160
[  333.114710][ T4957]  ? user_path_at_empty+0x12b/0x180
[  333.119905][ T4957]  __se_sys_mount+0x2d5/0x3c0
[  333.124577][ T4957]  ? __x64_sys_mount+0xc0/0xc0
[  333.129350][ T4957]  ? syscall_enter_from_user_mode+0x2e/0x240
[  333.135342][ T4957]  ? lockdep_hardirqs_on+0x94/0x130
[  333.140627][ T4957]  ? __x64_sys_mount+0x1c/0xc0
[  333.145380][ T4957]  do_syscall_64+0x3b/0xb0
[  333.149782][ T4957]  ? clear_bhb_loop+0x15/0x70
[  333.154444][ T4957]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  333.160325][ T4957] RIP: 0033:0x7fb544ab190a
[  333.164821][ T4957] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  333.184420][ T4957] RSP: 002b:00007ffc5cf418a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.192828][ T4957] RAX: ffffffffffffffda RBX: 00007ffc5cf41930 RCX: 00007fb544ab190a
[  333.200800][ T4957] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc5cf418f0
[  333.208767][ T4957] RBP: 0000200000000400 R08: 00007ffc5cf41930 R09: 0000000000000000
[  333.216734][ T4957] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  333.224703][ T4957] R13: 00007ffc5cf418f0 R14: 00000000000125bb R15: 00002000000004c0
[  333.232680][ T4957]  </TASK>
[  333.267861][ T4957] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.285253][ T4959] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  333.332633][ T4957] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  333.335647][ T4959] CPU: 1 PID: 4959 Comm: syz.5.466 Not tainted 5.15.179-syzkaller #0
[  333.347235][ T4959] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  333.357311][ T4959] Call Trace:
[  333.360602][ T4959]  <TASK>
[  333.363540][ T4959]  dump_stack_lvl+0x1e3/0x2d0
[  333.368252][ T4959]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  333.373902][ T4959]  ? panic+0x860/0x860
[  333.377992][ T4959]  ? sysfs_create_dir_ns+0x282/0x390
[  333.383290][ T4959]  sysfs_create_dir_ns+0x2c6/0x390
[  333.388420][ T4959]  ? sysfs_warn_dup+0xa0/0xa0
[  333.393113][ T4959]  ? do_raw_spin_unlock+0x137/0x8b0
[  333.398341][ T4959]  ? kobject_set_name_vargs+0xca/0x110
[  333.403827][ T4959]  kobject_add_internal+0x6e0/0xe00
[  333.409048][ T4959]  kobject_init_and_add+0x120/0x190
[  333.414272][ T4959]  ? lockdep_softirqs_off+0x420/0x420
[  333.419674][ T4959]  ? widen_string+0x3a/0x310
[  333.424284][ T4959]  ? kobject_add+0x210/0x210
[  333.428888][ T4959]  ? __init_swait_queue_head+0xaa/0x140
[  333.434452][ T4959]  gfs2_sys_fs_add+0x237/0x4a0
[  333.439261][ T4959]  ? gfs2_recover_set+0x240/0x240
[  333.444300][ T4959]  ? snprintf+0xd6/0x120
[  333.448566][ T4959]  ? vscnprintf+0x80/0x80
[  333.453088][ T4959]  ? read_word_at_a_time+0xe/0x20
[  333.458129][ T4959]  ? strscpy+0x89/0x220
[  333.462302][ T4959]  gfs2_fill_super+0x1299/0x2750
[  333.467272][ T4959]  ? gfs2_reconfigure+0xcf0/0xcf0
[  333.472314][ T4959]  ? ptr_to_hashval+0x60/0x60
[  333.477009][ T4959]  ? up_write+0x19d/0x580
[  333.481378][ T4959]  ? set_blocksize+0x1ec/0x370
[  333.486172][ T4959]  get_tree_bdev+0x3fe/0x620
[  333.490784][ T4959]  ? gfs2_reconfigure+0xcf0/0xcf0
[  333.495902][ T4959]  gfs2_get_tree+0x50/0x210
[  333.500433][ T4959]  ? bpf_lsm_capable+0x5/0x10
[  333.505145][ T4959]  vfs_get_tree+0x88/0x270
[  333.509593][ T4959]  do_new_mount+0x2ba/0xb40
[  333.514125][ T4959]  ? do_move_mount_old+0x160/0x160
[  333.519268][ T4959]  ? user_path_at_empty+0x12b/0x180
[  333.524492][ T4959]  __se_sys_mount+0x2d5/0x3c0
[  333.529211][ T4959]  ? __x64_sys_mount+0xc0/0xc0
[  333.534008][ T4959]  ? syscall_enter_from_user_mode+0x2e/0x240
[  333.540013][ T4959]  ? lockdep_hardirqs_on+0x94/0x130
[  333.545237][ T4959]  ? __x64_sys_mount+0x1c/0xc0
[  333.550030][ T4959]  do_syscall_64+0x3b/0xb0
[  333.554468][ T4959]  ? clear_bhb_loop+0x15/0x70
[  333.559167][ T4959]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  333.565087][ T4959] RIP: 0033:0x7f7668d4490a
[  333.569542][ T4959] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  333.589166][ T4959] RSP: 002b:00007ffdab1b99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  333.597608][ T4959] RAX: ffffffffffffffda RBX: 00007ffdab1b9a30 RCX: 00007f7668d4490a
[  333.605868][ T4959] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdab1b99f0
[  333.613983][ T4959] RBP: 0000200000000400 R08: 00007ffdab1b9a30 R09: 0000000000000000
[  333.621996][ T4959] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
2025/03/30 08:59:21 executed programs: 461
[  333.630092][ T4959] R13: 00007ffdab1b99f0 R14: 00000000000125bb R15: 00002000000004c0
[  333.638111][ T4959]  </TASK>
[  333.767616][ T4959] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  333.812179][ T4959] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  334.548556][ T4961] loop0: detected capacity change from 0 to 32768
[  334.596340][ T4960] loop3: detected capacity change from 0 to 32768
[  334.625041][ T4961] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  334.642131][ T4961] CPU: 1 PID: 4961 Comm: syz.0.468 Not tainted 5.15.179-syzkaller #0
[  334.650244][ T4961] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  334.660322][ T4961] Call Trace:
[  334.663625][ T4961]  <TASK>
[  334.666577][ T4961]  dump_stack_lvl+0x1e3/0x2d0
[  334.671295][ T4961]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  334.676982][ T4961]  ? panic+0x860/0x860
[  334.681083][ T4961]  ? sysfs_create_dir_ns+0x282/0x390
[  334.686398][ T4961]  sysfs_create_dir_ns+0x2c6/0x390
[  334.691550][ T4961]  ? sysfs_warn_dup+0xa0/0xa0
[  334.696252][ T4961]  ? do_raw_spin_unlock+0x137/0x8b0
[  334.701492][ T4961]  ? kobject_set_name_vargs+0xca/0x110
[  334.706975][ T4961]  kobject_add_internal+0x6e0/0xe00
[  334.712345][ T4961]  kobject_init_and_add+0x120/0x190
[  334.717578][ T4961]  ? lockdep_softirqs_off+0x420/0x420
[  334.722978][ T4961]  ? widen_string+0x3a/0x310
[  334.724196][ T4960] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  334.727589][ T4961]  ? kobject_add+0x210/0x210
[  334.739547][ T4961]  ? __init_swait_queue_head+0xaa/0x140
[  334.745128][ T4961]  gfs2_sys_fs_add+0x237/0x4a0
[  334.749929][ T4961]  ? gfs2_recover_set+0x240/0x240
[  334.754984][ T4961]  ? snprintf+0xd6/0x120
[  334.759260][ T4961]  ? vscnprintf+0x80/0x80
[  334.763612][ T4961]  ? read_word_at_a_time+0xe/0x20
[  334.768664][ T4961]  ? strscpy+0x89/0x220
[  334.772868][ T4961]  gfs2_fill_super+0x1299/0x2750
[  334.777858][ T4961]  ? gfs2_reconfigure+0xcf0/0xcf0
[  334.782916][ T4961]  ? ptr_to_hashval+0x60/0x60
[  334.787616][ T4961]  ? up_write+0x19d/0x580
[  334.791981][ T4961]  ? set_blocksize+0x1ec/0x370
[  334.796782][ T4961]  get_tree_bdev+0x3fe/0x620
[  334.801397][ T4961]  ? gfs2_reconfigure+0xcf0/0xcf0
[  334.806436][ T4961]  gfs2_get_tree+0x50/0x210
[  334.810954][ T4961]  ? bpf_lsm_capable+0x5/0x10
[  334.815659][ T4961]  vfs_get_tree+0x88/0x270
[  334.820100][ T4961]  do_new_mount+0x2ba/0xb40
[  334.824631][ T4961]  ? do_move_mount_old+0x160/0x160
[  334.829744][ T4961]  ? user_path_at_empty+0x12b/0x180
[  334.834959][ T4961]  __se_sys_mount+0x2d5/0x3c0
[  334.839665][ T4961]  ? __x64_sys_mount+0xc0/0xc0
[  334.844443][ T4961]  ? syscall_enter_from_user_mode+0x2e/0x240
[  334.850428][ T4961]  ? lockdep_hardirqs_on+0x94/0x130
[  334.855650][ T4961]  ? __x64_sys_mount+0x1c/0xc0
[  334.860449][ T4961]  do_syscall_64+0x3b/0xb0
[  334.864883][ T4961]  ? clear_bhb_loop+0x15/0x70
[  334.869592][ T4961]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  334.875494][ T4961] RIP: 0033:0x7f7799cf090a
[  334.879916][ T4961] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  334.899545][ T4961] RSP: 002b:00007ffcc600d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  334.907978][ T4961] RAX: ffffffffffffffda RBX: 00007ffcc600da40 RCX: 00007f7799cf090a
[  334.913659][ T4962] loop4: detected capacity change from 0 to 32768
[  334.915966][ T4961] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcc600da00
[  334.930338][ T4961] RBP: 0000200000000400 R08: 00007ffcc600da40 R09: 0000000000000000
[  334.938321][ T4961] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  334.946336][ T4961] R13: 00007ffcc600da00 R14: 00000000000125bb R15: 00002000000004c0
[  334.954365][ T4961]  </TASK>
[  334.965682][ T4960] CPU: 0 PID: 4960 Comm: syz.3.467 Not tainted 5.15.179-syzkaller #0
[  334.973796][ T4960] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  334.983871][ T4960] Call Trace:
[  334.987166][ T4960]  <TASK>
[  334.990111][ T4960]  dump_stack_lvl+0x1e3/0x2d0
[  334.994821][ T4960]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  335.000479][ T4960]  ? panic+0x860/0x860
[  335.004565][ T4960]  ? sysfs_create_dir_ns+0x282/0x390
[  335.009880][ T4960]  sysfs_create_dir_ns+0x2c6/0x390
[  335.015017][ T4960]  ? sysfs_warn_dup+0xa0/0xa0
[  335.019718][ T4960]  ? do_raw_spin_unlock+0x137/0x8b0
[  335.024948][ T4960]  ? kobject_set_name_vargs+0xca/0x110
[  335.030444][ T4960]  kobject_add_internal+0x6e0/0xe00
[  335.035699][ T4960]  kobject_init_and_add+0x120/0x190
[  335.040923][ T4960]  ? lockdep_softirqs_off+0x420/0x420
[  335.046334][ T4960]  ? widen_string+0x3a/0x310
[  335.050952][ T4960]  ? kobject_add+0x210/0x210
[  335.055566][ T4960]  ? __init_swait_queue_head+0xaa/0x140
[  335.061142][ T4960]  gfs2_sys_fs_add+0x237/0x4a0
[  335.065934][ T4960]  ? gfs2_recover_set+0x240/0x240
[  335.070982][ T4960]  ? snprintf+0xd6/0x120
[  335.075359][ T4960]  ? vscnprintf+0x80/0x80
[  335.079717][ T4960]  ? read_word_at_a_time+0xe/0x20
[  335.084763][ T4960]  ? strscpy+0x89/0x220
[  335.088945][ T4960]  gfs2_fill_super+0x1299/0x2750
[  335.093928][ T4960]  ? gfs2_reconfigure+0xcf0/0xcf0
[  335.098974][ T4960]  ? ptr_to_hashval+0x60/0x60
[  335.103675][ T4960]  ? up_write+0x19d/0x580
[  335.108083][ T4960]  ? set_blocksize+0x1ec/0x370
[  335.112881][ T4960]  get_tree_bdev+0x3fe/0x620
[  335.117495][ T4960]  ? gfs2_reconfigure+0xcf0/0xcf0
[  335.122542][ T4960]  gfs2_get_tree+0x50/0x210
[  335.127074][ T4960]  ? bpf_lsm_capable+0x5/0x10
[  335.131778][ T4960]  vfs_get_tree+0x88/0x270
[  335.136220][ T4960]  do_new_mount+0x2ba/0xb40
[  335.140753][ T4960]  ? do_move_mount_old+0x160/0x160
[  335.145892][ T4960]  ? user_path_at_empty+0x12b/0x180
[  335.151117][ T4960]  __se_sys_mount+0x2d5/0x3c0
[  335.155822][ T4960]  ? __x64_sys_mount+0xc0/0xc0
[  335.160609][ T4960]  ? syscall_enter_from_user_mode+0x2e/0x240
[  335.166615][ T4960]  ? lockdep_hardirqs_on+0x94/0x130
[  335.171850][ T4960]  ? __x64_sys_mount+0x1c/0xc0
[  335.176648][ T4960]  do_syscall_64+0x3b/0xb0
[  335.181094][ T4960]  ? clear_bhb_loop+0x15/0x70
[  335.185794][ T4960]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  335.191751][ T4960] RIP: 0033:0x7feee58fc90a
[  335.196190][ T4960] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  335.215839][ T4960] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.224288][ T4960] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  335.232297][ T4960] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  335.240291][ T4960] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  335.248597][ T4960] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  335.256594][ T4960] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  335.264609][ T4960]  </TASK>
[  335.266521][ T4963] loop1: detected capacity change from 0 to 32768
[  335.276551][ T4960] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.290863][ T4960] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.299259][ T4961] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.320126][ T4962] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.334110][ T4961] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.342525][ T4962] CPU: 1 PID: 4962 Comm: syz.4.469 Not tainted 5.15.179-syzkaller #0
[  335.350647][ T4962] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  335.360726][ T4962] Call Trace:
[  335.364024][ T4962]  <TASK>
[  335.366971][ T4962]  dump_stack_lvl+0x1e3/0x2d0
[  335.371679][ T4962]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  335.377339][ T4962]  ? panic+0x860/0x860
[  335.378906][ T4964] loop5: detected capacity change from 0 to 32768
[  335.381431][ T4962]  ? sysfs_create_dir_ns+0x282/0x390
[  335.381465][ T4962]  sysfs_create_dir_ns+0x2c6/0x390
[  335.398253][ T4962]  ? sysfs_warn_dup+0xa0/0xa0
[  335.402953][ T4962]  ? do_raw_spin_unlock+0x137/0x8b0
[  335.408183][ T4962]  ? kobject_set_name_vargs+0xca/0x110
[  335.413674][ T4962]  kobject_add_internal+0x6e0/0xe00
[  335.418967][ T4962]  kobject_init_and_add+0x120/0x190
[  335.424188][ T4962]  ? lockdep_softirqs_off+0x420/0x420
[  335.429562][ T4962]  ? widen_string+0x3a/0x310
[  335.434151][ T4962]  ? kobject_add+0x210/0x210
[  335.438735][ T4962]  ? __init_swait_queue_head+0xaa/0x140
[  335.444276][ T4962]  gfs2_sys_fs_add+0x237/0x4a0
[  335.449046][ T4962]  ? gfs2_recover_set+0x240/0x240
[  335.454082][ T4962]  ? snprintf+0xd6/0x120
[  335.458357][ T4962]  ? vscnprintf+0x80/0x80
[  335.462700][ T4962]  ? read_word_at_a_time+0xe/0x20
[  335.467724][ T4962]  ? strscpy+0x89/0x220
[  335.471894][ T4962]  gfs2_fill_super+0x1299/0x2750
[  335.476843][ T4962]  ? gfs2_reconfigure+0xcf0/0xcf0
[  335.481870][ T4962]  ? ptr_to_hashval+0x60/0x60
[  335.486566][ T4962]  ? up_write+0x19d/0x580
[  335.490903][ T4962]  ? set_blocksize+0x1ec/0x370
[  335.495671][ T4962]  get_tree_bdev+0x3fe/0x620
[  335.500279][ T4962]  ? gfs2_reconfigure+0xcf0/0xcf0
[  335.505305][ T4962]  gfs2_get_tree+0x50/0x210
[  335.509828][ T4962]  ? bpf_lsm_capable+0x5/0x10
[  335.514519][ T4962]  vfs_get_tree+0x88/0x270
[  335.518931][ T4962]  do_new_mount+0x2ba/0xb40
[  335.523429][ T4962]  ? do_move_mount_old+0x160/0x160
[  335.528534][ T4962]  ? user_path_at_empty+0x12b/0x180
[  335.533738][ T4962]  __se_sys_mount+0x2d5/0x3c0
[  335.538410][ T4962]  ? __x64_sys_mount+0xc0/0xc0
[  335.543165][ T4962]  ? syscall_enter_from_user_mode+0x2e/0x240
[  335.549137][ T4962]  ? lockdep_hardirqs_on+0x94/0x130
[  335.554332][ T4962]  ? __x64_sys_mount+0x1c/0xc0
[  335.559120][ T4962]  do_syscall_64+0x3b/0xb0
[  335.563552][ T4962]  ? clear_bhb_loop+0x15/0x70
[  335.568226][ T4962]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  335.574113][ T4962] RIP: 0033:0x7efc5382890a
[  335.578523][ T4962] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  335.598131][ T4962] RSP: 002b:00007ffe12103408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.606550][ T4962] RAX: ffffffffffffffda RBX: 00007ffe12103490 RCX: 00007efc5382890a
[  335.614544][ T4962] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe12103450
[  335.622517][ T4962] RBP: 0000200000000400 R08: 00007ffe12103490 R09: 0000000000000000
[  335.630492][ T4962] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  335.638481][ T4962] R13: 00007ffe12103450 R14: 00000000000125bb R15: 00002000000004c0
[  335.646473][ T4962]  </TASK>
[  335.652587][ T4962] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  335.660101][ T4963] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.679644][ T4963] CPU: 1 PID: 4963 Comm: syz.1.470 Not tainted 5.15.179-syzkaller #0
[  335.687767][ T4963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  335.697844][ T4963] Call Trace:
[  335.699022][ T4964] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  335.701133][ T4963]  <TASK>
[  335.701145][ T4963]  dump_stack_lvl+0x1e3/0x2d0
[  335.716194][ T4963]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  335.721893][ T4963]  ? panic+0x860/0x860
[  335.725983][ T4963]  ? sysfs_create_dir_ns+0x282/0x390
[  335.731293][ T4963]  sysfs_create_dir_ns+0x2c6/0x390
[  335.736438][ T4963]  ? sysfs_warn_dup+0xa0/0xa0
[  335.741140][ T4963]  ? do_raw_spin_unlock+0x137/0x8b0
[  335.746412][ T4963]  ? kobject_set_name_vargs+0xca/0x110
[  335.751894][ T4963]  kobject_add_internal+0x6e0/0xe00
[  335.757106][ T4963]  kobject_init_and_add+0x120/0x190
[  335.759807][ T4962] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  335.762307][ T4963]  ? lockdep_softirqs_off+0x420/0x420
[  335.762334][ T4963]  ? widen_string+0x3a/0x310
[  335.778807][ T4963]  ? kobject_add+0x210/0x210
[  335.783424][ T4963]  ? __init_swait_queue_head+0xaa/0x140
[  335.788999][ T4963]  gfs2_sys_fs_add+0x237/0x4a0
[  335.793794][ T4963]  ? gfs2_recover_set+0x240/0x240
[  335.798840][ T4963]  ? snprintf+0xd6/0x120
[  335.803103][ T4963]  ? vscnprintf+0x80/0x80
[  335.807472][ T4963]  ? read_word_at_a_time+0xe/0x20
[  335.812526][ T4963]  ? strscpy+0x89/0x220
[  335.816707][ T4963]  gfs2_fill_super+0x1299/0x2750
[  335.821686][ T4963]  ? gfs2_reconfigure+0xcf0/0xcf0
[  335.826722][ T4963]  ? ptr_to_hashval+0x60/0x60
[  335.831413][ T4963]  ? up_write+0x19d/0x580
[  335.835776][ T4963]  ? set_blocksize+0x1ec/0x370
[  335.840567][ T4963]  get_tree_bdev+0x3fe/0x620
[  335.845175][ T4963]  ? gfs2_reconfigure+0xcf0/0xcf0
[  335.850220][ T4963]  gfs2_get_tree+0x50/0x210
[  335.854744][ T4963]  ? bpf_lsm_capable+0x5/0x10
[  335.859463][ T4963]  vfs_get_tree+0x88/0x270
[  335.864025][ T4963]  do_new_mount+0x2ba/0xb40
[  335.868558][ T4963]  ? do_move_mount_old+0x160/0x160
[  335.873694][ T4963]  ? user_path_at_empty+0x12b/0x180
[  335.878914][ T4963]  __se_sys_mount+0x2d5/0x3c0
[  335.883619][ T4963]  ? __x64_sys_mount+0xc0/0xc0
[  335.888399][ T4963]  ? syscall_enter_from_user_mode+0x2e/0x240
[  335.894394][ T4963]  ? lockdep_hardirqs_on+0x94/0x130
[  335.899604][ T4963]  ? __x64_sys_mount+0x1c/0xc0
[  335.904375][ T4963]  do_syscall_64+0x3b/0xb0
[  335.908810][ T4963]  ? clear_bhb_loop+0x15/0x70
[  335.913507][ T4963]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  335.919448][ T4963] RIP: 0033:0x7fb544ab190a
[  335.923869][ T4963] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  335.943494][ T4963] RSP: 002b:00007ffc5cf418a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  335.951921][ T4963] RAX: ffffffffffffffda RBX: 00007ffc5cf41930 RCX: 00007fb544ab190a
[  335.959896][ T4963] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc5cf418f0
[  335.967870][ T4963] RBP: 0000200000000400 R08: 00007ffc5cf41930 R09: 0000000000000000
[  335.975867][ T4963] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  335.983862][ T4963] R13: 00007ffc5cf418f0 R14: 00000000000125bb R15: 00002000000004c0
[  335.991872][ T4963]  </TASK>
[  335.994901][ T4964] CPU: 0 PID: 4964 Comm: syz.5.471 Not tainted 5.15.179-syzkaller #0
[  336.002993][ T4964] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  336.013065][ T4964] Call Trace:
[  336.014327][ T4963] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.016354][ T4964]  <TASK>
[  336.016366][ T4964]  dump_stack_lvl+0x1e3/0x2d0
[  336.029750][ T4963] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.032387][ T4964]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  336.032417][ T4964]  ? panic+0x860/0x860
[  336.032443][ T4964]  ? sysfs_create_dir_ns+0x282/0x390
[  336.032474][ T4964]  sysfs_create_dir_ns+0x2c6/0x390
[  336.032501][ T4964]  ? sysfs_warn_dup+0xa0/0xa0
[  336.032527][ T4964]  ? do_raw_spin_unlock+0x137/0x8b0
[  336.032553][ T4964]  ? kobject_set_name_vargs+0xca/0x110
[  336.032581][ T4964]  kobject_add_internal+0x6e0/0xe00
[  336.032630][ T4964]  kobject_init_and_add+0x120/0x190
[  336.032652][ T4964]  ? lockdep_softirqs_off+0x420/0x420
[  336.032672][ T4964]  ? widen_string+0x3a/0x310
[  336.099517][ T4964]  ? kobject_add+0x210/0x210
[  336.104146][ T4964]  ? __init_swait_queue_head+0xaa/0x140
[  336.109724][ T4964]  gfs2_sys_fs_add+0x237/0x4a0
[  336.114517][ T4964]  ? gfs2_recover_set+0x240/0x240
[  336.119572][ T4964]  ? snprintf+0xd6/0x120
[  336.123856][ T4964]  ? vscnprintf+0x80/0x80
[  336.128211][ T4964]  ? read_word_at_a_time+0xe/0x20
[  336.133258][ T4964]  ? strscpy+0x89/0x220
[  336.137458][ T4964]  gfs2_fill_super+0x1299/0x2750
[  336.142440][ T4964]  ? gfs2_reconfigure+0xcf0/0xcf0
[  336.147506][ T4964]  ? ptr_to_hashval+0x60/0x60
[  336.152210][ T4964]  ? up_write+0x19d/0x580
[  336.156586][ T4964]  ? set_blocksize+0x1ec/0x370
[  336.161386][ T4964]  get_tree_bdev+0x3fe/0x620
[  336.165996][ T4964]  ? gfs2_reconfigure+0xcf0/0xcf0
[  336.171042][ T4964]  gfs2_get_tree+0x50/0x210
[  336.175595][ T4964]  ? bpf_lsm_capable+0x5/0x10
[  336.180311][ T4964]  vfs_get_tree+0x88/0x270
[  336.184752][ T4964]  do_new_mount+0x2ba/0xb40
[  336.189283][ T4964]  ? do_move_mount_old+0x160/0x160
[  336.194424][ T4964]  ? user_path_at_empty+0x12b/0x180
[  336.199645][ T4964]  __se_sys_mount+0x2d5/0x3c0
[  336.204350][ T4964]  ? __x64_sys_mount+0xc0/0xc0
[  336.209146][ T4964]  ? syscall_enter_from_user_mode+0x2e/0x240
[  336.215163][ T4964]  ? lockdep_hardirqs_on+0x94/0x130
[  336.220393][ T4964]  ? __x64_sys_mount+0x1c/0xc0
[  336.225184][ T4964]  do_syscall_64+0x3b/0xb0
[  336.229623][ T4964]  ? clear_bhb_loop+0x15/0x70
[  336.234317][ T4964]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  336.240226][ T4964] RIP: 0033:0x7f7668d4490a
[  336.244651][ T4964] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  336.264276][ T4964] RSP: 002b:00007ffdab1b99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  336.272721][ T4964] RAX: ffffffffffffffda RBX: 00007ffdab1b9a30 RCX: 00007f7668d4490a
[  336.280731][ T4964] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdab1b99f0
[  336.288729][ T4964] RBP: 0000200000000400 R08: 00007ffdab1b9a30 R09: 0000000000000000
[  336.296725][ T4964] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  336.304723][ T4964] R13: 00007ffdab1b99f0 R14: 00000000000125bb R15: 00002000000004c0
[  336.312743][ T4964]  </TASK>
[  336.319996][ T4964] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  336.333284][ T4964] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  336.675787][ T4965] loop3: detected capacity change from 0 to 32768
[  336.785098][ T4965] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  336.822390][ T4965] CPU: 0 PID: 4965 Comm: syz.3.472 Not tainted 5.15.179-syzkaller #0
[  336.830508][ T4965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  336.840603][ T4965] Call Trace:
[  336.843899][ T4965]  <TASK>
[  336.846843][ T4965]  dump_stack_lvl+0x1e3/0x2d0
[  336.851550][ T4965]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  336.857212][ T4965]  ? panic+0x860/0x860
[  336.861309][ T4965]  ? sysfs_create_dir_ns+0x282/0x390
[  336.866622][ T4965]  sysfs_create_dir_ns+0x2c6/0x390
[  336.871760][ T4965]  ? sysfs_warn_dup+0xa0/0xa0
[  336.876476][ T4965]  ? do_raw_spin_unlock+0x137/0x8b0
[  336.881706][ T4965]  ? kobject_set_name_vargs+0xca/0x110
[  336.887196][ T4965]  kobject_add_internal+0x6e0/0xe00
[  336.892430][ T4965]  kobject_init_and_add+0x120/0x190
[  336.897648][ T4965]  ? lockdep_softirqs_off+0x420/0x420
[  336.903038][ T4965]  ? widen_string+0x3a/0x310
[  336.907654][ T4965]  ? kobject_add+0x210/0x210
[  336.912265][ T4965]  ? __init_swait_queue_head+0xaa/0x140
[  336.917857][ T4965]  gfs2_sys_fs_add+0x237/0x4a0
[  336.922639][ T4965]  ? gfs2_recover_set+0x240/0x240
[  336.927688][ T4965]  ? snprintf+0xd6/0x120
[  336.931960][ T4965]  ? vscnprintf+0x80/0x80
[  336.936341][ T4965]  ? read_word_at_a_time+0xe/0x20
[  336.941386][ T4965]  ? strscpy+0x89/0x220
[  336.945576][ T4965]  gfs2_fill_super+0x1299/0x2750
[  336.950609][ T4965]  ? gfs2_reconfigure+0xcf0/0xcf0
[  336.955741][ T4965]  ? ptr_to_hashval+0x60/0x60
[  336.960441][ T4965]  ? up_write+0x19d/0x580
[  336.964810][ T4965]  ? set_blocksize+0x1ec/0x370
[  336.969622][ T4965]  get_tree_bdev+0x3fe/0x620
[  336.974239][ T4965]  ? gfs2_reconfigure+0xcf0/0xcf0
[  336.979284][ T4965]  gfs2_get_tree+0x50/0x210
[  336.983808][ T4965]  ? bpf_lsm_capable+0x5/0x10
[  336.988512][ T4965]  vfs_get_tree+0x88/0x270
[  336.992963][ T4965]  do_new_mount+0x2ba/0xb40
[  336.997512][ T4965]  ? do_move_mount_old+0x160/0x160
[  337.002643][ T4965]  ? user_path_at_empty+0x12b/0x180
[  337.007867][ T4965]  __se_sys_mount+0x2d5/0x3c0
[  337.012577][ T4965]  ? __x64_sys_mount+0xc0/0xc0
[  337.017488][ T4965]  ? syscall_enter_from_user_mode+0x2e/0x240
[  337.023487][ T4965]  ? lockdep_hardirqs_on+0x94/0x130
[  337.028711][ T4965]  ? __x64_sys_mount+0x1c/0xc0
[  337.033495][ T4965]  do_syscall_64+0x3b/0xb0
[  337.037934][ T4965]  ? clear_bhb_loop+0x15/0x70
[  337.042636][ T4965]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  337.048552][ T4965] RIP: 0033:0x7feee58fc90a
[  337.052981][ T4965] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  337.072610][ T4965] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  337.081051][ T4965] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  337.089042][ T4965] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  337.097041][ T4965] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  337.105037][ T4965] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  337.113033][ T4965] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  337.121043][ T4965]  </TASK>
[  337.658750][ T4967] loop1: detected capacity change from 0 to 32768
[  337.683381][ T4965] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  337.703636][ T4965] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  337.737006][ T4967] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  337.747988][ T4967] CPU: 0 PID: 4967 Comm: syz.1.474 Not tainted 5.15.179-syzkaller #0
[  337.756095][ T4967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  337.766174][ T4967] Call Trace:
[  337.769466][ T4967]  <TASK>
[  337.772402][ T4967]  dump_stack_lvl+0x1e3/0x2d0
[  337.777100][ T4967]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  337.782758][ T4967]  ? panic+0x860/0x860
[  337.786850][ T4967]  ? sysfs_create_dir_ns+0x282/0x390
[  337.792156][ T4967]  sysfs_create_dir_ns+0x2c6/0x390
[  337.797298][ T4967]  ? sysfs_warn_dup+0xa0/0xa0
[  337.802025][ T4967]  ? do_raw_spin_unlock+0x137/0x8b0
[  337.807245][ T4967]  ? kobject_set_name_vargs+0xca/0x110
[  337.812747][ T4967]  kobject_add_internal+0x6e0/0xe00
[  337.817970][ T4967]  kobject_init_and_add+0x120/0x190
[  337.823181][ T4967]  ? lockdep_softirqs_off+0x420/0x420
[  337.828571][ T4967]  ? widen_string+0x3a/0x310
[  337.833185][ T4967]  ? kobject_add+0x210/0x210
[  337.837795][ T4967]  ? __init_swait_queue_head+0xaa/0x140
[  337.843363][ T4967]  gfs2_sys_fs_add+0x237/0x4a0
[  337.848144][ T4967]  ? gfs2_recover_set+0x240/0x240
[  337.853189][ T4967]  ? snprintf+0xd6/0x120
[  337.857455][ T4967]  ? vscnprintf+0x80/0x80
[  337.861811][ T4967]  ? read_word_at_a_time+0xe/0x20
[  337.866302][ T4968] loop4: detected capacity change from 0 to 32768
[  337.866848][ T4967]  ? strscpy+0x89/0x220
[  337.877406][ T4967]  gfs2_fill_super+0x1299/0x2750
[  337.882397][ T4967]  ? gfs2_reconfigure+0xcf0/0xcf0
[  337.887445][ T4967]  ? ptr_to_hashval+0x60/0x60
[  337.892143][ T4967]  ? up_write+0x19d/0x580
[  337.896524][ T4967]  ? set_blocksize+0x1ec/0x370
[  337.901318][ T4967]  get_tree_bdev+0x3fe/0x620
[  337.905938][ T4967]  ? gfs2_reconfigure+0xcf0/0xcf0
[  337.910989][ T4967]  gfs2_get_tree+0x50/0x210
[  337.915511][ T4967]  ? bpf_lsm_capable+0x5/0x10
[  337.920210][ T4967]  vfs_get_tree+0x88/0x270
[  337.924645][ T4967]  do_new_mount+0x2ba/0xb40
[  337.929173][ T4967]  ? do_move_mount_old+0x160/0x160
[  337.934301][ T4967]  ? user_path_at_empty+0x12b/0x180
[  337.939518][ T4967]  __se_sys_mount+0x2d5/0x3c0
[  337.944215][ T4967]  ? __x64_sys_mount+0xc0/0xc0
[  337.948317][ T4966] loop0: detected capacity change from 0 to 32768
[  337.948990][ T4967]  ? syscall_enter_from_user_mode+0x2e/0x240
[  337.949017][ T4967]  ? lockdep_hardirqs_on+0x94/0x130
[  337.949045][ T4967]  ? __x64_sys_mount+0x1c/0xc0
[  337.971354][ T4967]  do_syscall_64+0x3b/0xb0
[  337.975795][ T4967]  ? clear_bhb_loop+0x15/0x70
[  337.980496][ T4967]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  337.986431][ T4967] RIP: 0033:0x7fb544ab190a
[  337.990863][ T4967] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  338.010489][ T4967] RSP: 002b:00007ffc5cf418a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.018931][ T4967] RAX: ffffffffffffffda RBX: 00007ffc5cf41930 RCX: 00007fb544ab190a
[  338.026925][ T4967] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc5cf418f0
[  338.034924][ T4967] RBP: 0000200000000400 R08: 00007ffc5cf41930 R09: 0000000000000000
[  338.042918][ T4967] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  338.050910][ T4967] R13: 00007ffc5cf418f0 R14: 00000000000125bb R15: 00002000000004c0
[  338.058919][ T4967]  </TASK>
[  338.068191][ T4967] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.074393][ T4969] loop5: detected capacity change from 0 to 32768
[  338.087770][ T4967] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.102343][ T4966] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.110006][ T4968] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.127408][ T4968] CPU: 1 PID: 4968 Comm: syz.4.475 Not tainted 5.15.179-syzkaller #0
[  338.135614][ T4968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  338.145687][ T4968] Call Trace:
[  338.148989][ T4968]  <TASK>
[  338.151937][ T4968]  dump_stack_lvl+0x1e3/0x2d0
[  338.156641][ T4968]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  338.162298][ T4968]  ? panic+0x860/0x860
[  338.166397][ T4968]  ? sysfs_create_dir_ns+0x282/0x390
[  338.171717][ T4968]  sysfs_create_dir_ns+0x2c6/0x390
[  338.176856][ T4968]  ? sysfs_warn_dup+0xa0/0xa0
[  338.181558][ T4968]  ? do_raw_spin_unlock+0x137/0x8b0
[  338.186791][ T4968]  ? kobject_set_name_vargs+0xca/0x110
[  338.192280][ T4968]  kobject_add_internal+0x6e0/0xe00
[  338.197508][ T4968]  kobject_init_and_add+0x120/0x190
[  338.202727][ T4968]  ? lockdep_softirqs_off+0x420/0x420
[  338.208113][ T4968]  ? widen_string+0x3a/0x310
[  338.212723][ T4968]  ? kobject_add+0x210/0x210
[  338.217333][ T4968]  ? __init_swait_queue_head+0xaa/0x140
[  338.222903][ T4968]  gfs2_sys_fs_add+0x237/0x4a0
[  338.227688][ T4968]  ? gfs2_recover_set+0x240/0x240
[  338.232727][ T4968]  ? snprintf+0xd6/0x120
[  338.236999][ T4968]  ? vscnprintf+0x80/0x80
[  338.241352][ T4968]  ? read_word_at_a_time+0xe/0x20
[  338.246392][ T4968]  ? strscpy+0x89/0x220
[  338.250575][ T4968]  gfs2_fill_super+0x1299/0x2750
[  338.255564][ T4968]  ? gfs2_reconfigure+0xcf0/0xcf0
[  338.260615][ T4968]  ? ptr_to_hashval+0x60/0x60
[  338.265310][ T4968]  ? up_write+0x19d/0x580
[  338.269669][ T4968]  ? set_blocksize+0x1ec/0x370
[  338.274463][ T4968]  get_tree_bdev+0x3fe/0x620
[  338.279098][ T4968]  ? gfs2_reconfigure+0xcf0/0xcf0
[  338.284136][ T4968]  gfs2_get_tree+0x50/0x210
[  338.288642][ T4968]  ? bpf_lsm_capable+0x5/0x10
[  338.293333][ T4968]  vfs_get_tree+0x88/0x270
[  338.297774][ T4968]  do_new_mount+0x2ba/0xb40
[  338.302291][ T4968]  ? do_move_mount_old+0x160/0x160
[  338.307417][ T4968]  ? user_path_at_empty+0x12b/0x180
[  338.312631][ T4968]  __se_sys_mount+0x2d5/0x3c0
[  338.317331][ T4968]  ? __x64_sys_mount+0xc0/0xc0
[  338.322109][ T4968]  ? syscall_enter_from_user_mode+0x2e/0x240
[  338.328107][ T4968]  ? lockdep_hardirqs_on+0x94/0x130
[  338.333329][ T4968]  ? __x64_sys_mount+0x1c/0xc0
[  338.338101][ T4968]  do_syscall_64+0x3b/0xb0
[  338.342525][ T4968]  ? clear_bhb_loop+0x15/0x70
[  338.347211][ T4968]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  338.353109][ T4968] RIP: 0033:0x7efc5382890a
[  338.357550][ T4968] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  338.377159][ T4968] RSP: 002b:00007ffe12103408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.385599][ T4968] RAX: ffffffffffffffda RBX: 00007ffe12103490 RCX: 00007efc5382890a
[  338.393593][ T4968] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe12103450
[  338.401664][ T4968] RBP: 0000200000000400 R08: 00007ffe12103490 R09: 0000000000000000
[  338.409651][ T4968] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  338.417632][ T4968] R13: 00007ffe12103450 R14: 00000000000125bb R15: 00002000000004c0
[  338.425627][ T4968]  </TASK>
[  338.432201][ T4966] CPU: 0 PID: 4966 Comm: syz.0.473 Not tainted 5.15.179-syzkaller #0
[  338.440313][ T4966] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  338.450395][ T4966] Call Trace:
[  338.453696][ T4966]  <TASK>
[  338.456648][ T4966]  dump_stack_lvl+0x1e3/0x2d0
[  338.461355][ T4966]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  338.467017][ T4966]  ? panic+0x860/0x860
[  338.471112][ T4966]  ? sysfs_create_dir_ns+0x282/0x390
[  338.476425][ T4966]  sysfs_create_dir_ns+0x2c6/0x390
[  338.481569][ T4966]  ? sysfs_warn_dup+0xa0/0xa0
[  338.486276][ T4966]  ? do_raw_spin_unlock+0x137/0x8b0
[  338.491519][ T4966]  ? kobject_set_name_vargs+0xca/0x110
[  338.497009][ T4966]  kobject_add_internal+0x6e0/0xe00
[  338.502245][ T4966]  kobject_init_and_add+0x120/0x190
[  338.507470][ T4966]  ? lockdep_softirqs_off+0x420/0x420
[  338.512882][ T4966]  ? widen_string+0x3a/0x310
[  338.517510][ T4966]  ? kobject_add+0x210/0x210
[  338.522131][ T4966]  ? __init_swait_queue_head+0xaa/0x140
[  338.525757][ T4969] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  338.527699][ T4966]  gfs2_sys_fs_add+0x237/0x4a0
[  338.539822][ T4966]  ? gfs2_recover_set+0x240/0x240
[  338.544867][ T4966]  ? snprintf+0xd6/0x120
[  338.549136][ T4966]  ? vscnprintf+0x80/0x80
[  338.553497][ T4966]  ? read_word_at_a_time+0xe/0x20
[  338.558550][ T4966]  ? strscpy+0x89/0x220
[  338.562728][ T4966]  gfs2_fill_super+0x1299/0x2750
[  338.567702][ T4966]  ? gfs2_reconfigure+0xcf0/0xcf0
[  338.572806][ T4966]  ? ptr_to_hashval+0x60/0x60
[  338.577519][ T4966]  ? up_write+0x19d/0x580
[  338.581901][ T4966]  ? set_blocksize+0x1ec/0x370
[  338.586698][ T4966]  get_tree_bdev+0x3fe/0x620
[  338.591312][ T4966]  ? gfs2_reconfigure+0xcf0/0xcf0
[  338.596389][ T4966]  gfs2_get_tree+0x50/0x210
[  338.600939][ T4966]  ? bpf_lsm_capable+0x5/0x10
[  338.605631][ T4966]  vfs_get_tree+0x88/0x270
[  338.610079][ T4966]  do_new_mount+0x2ba/0xb40
[  338.614599][ T4966]  ? do_move_mount_old+0x160/0x160
[  338.619745][ T4966]  ? user_path_at_empty+0x12b/0x180
[  338.624975][ T4966]  __se_sys_mount+0x2d5/0x3c0
[  338.629674][ T4966]  ? __x64_sys_mount+0xc0/0xc0
[  338.634456][ T4966]  ? syscall_enter_from_user_mode+0x2e/0x240
[  338.640440][ T4966]  ? lockdep_hardirqs_on+0x94/0x130
[  338.645655][ T4966]  ? __x64_sys_mount+0x1c/0xc0
[  338.650443][ T4966]  do_syscall_64+0x3b/0xb0
[  338.654867][ T4966]  ? clear_bhb_loop+0x15/0x70
[  338.659562][ T4966]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  338.665468][ T4966] RIP: 0033:0x7f7799cf090a
[  338.669903][ T4966] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  338.689525][ T4966] RSP: 002b:00007ffcc600d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  338.697962][ T4966] RAX: ffffffffffffffda RBX: 00007ffcc600da40 RCX: 00007f7799cf090a
[  338.705956][ T4966] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcc600da00
[  338.713951][ T4966] RBP: 0000200000000400 R08: 00007ffcc600da40 R09: 0000000000000000
[  338.721948][ T4966] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  338.729933][ T4966] R13: 00007ffcc600da00 R14: 00000000000125bb R15: 00002000000004c0
[  338.737938][ T4966]  </TASK>
[  338.740970][ T4969] CPU: 1 PID: 4969 Comm: syz.5.476 Not tainted 5.15.179-syzkaller #0
[  338.749065][ T4969] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  338.759144][ T4969] Call Trace:
[  338.762442][ T4969]  <TASK>
[  338.765405][ T4969]  dump_stack_lvl+0x1e3/0x2d0
[  338.770117][ T4969]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  338.775795][ T4969]  ? panic+0x860/0x860
[  338.779890][ T4969]  ? sysfs_create_dir_ns+0x282/0x390
[  338.785204][ T4969]  sysfs_create_dir_ns+0x2c6/0x390
[  338.790351][ T4969]  ? sysfs_warn_dup+0xa0/0xa0
[  338.795062][ T4969]  ? do_raw_spin_unlock+0x137/0x8b0
[  338.800308][ T4969]  ? kobject_set_name_vargs+0xca/0x110
[  338.805819][ T4969]  kobject_add_internal+0x6e0/0xe00
[  338.811049][ T4969]  kobject_init_and_add+0x120/0x190
[  338.816259][ T4969]  ? lockdep_softirqs_off+0x420/0x420
[  338.821678][ T4969]  ? widen_string+0x3a/0x310
[  338.826299][ T4969]  ? kobject_add+0x210/0x210
[  338.830943][ T4969]  ? __init_swait_queue_head+0xaa/0x140
[  338.836521][ T4969]  gfs2_sys_fs_add+0x237/0x4a0
[  338.838572][ T4966] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  338.841307][ T4969]  ? gfs2_recover_set+0x240/0x240
[  338.855602][ T4966] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  338.859408][ T4969]  ? snprintf+0xd6/0x120
[  338.870131][ T4969]  ? vscnprintf+0x80/0x80
[  338.874482][ T4969]  ? read_word_at_a_time+0xe/0x20
[  338.879524][ T4969]  ? strscpy+0x89/0x220
[  338.883697][ T4969]  gfs2_fill_super+0x1299/0x2750
[  338.888663][ T4969]  ? gfs2_reconfigure+0xcf0/0xcf0
[  338.893688][ T4969]  ? ptr_to_hashval+0x60/0x60
[  338.898371][ T4969]  ? up_write+0x19d/0x580
[  338.902733][ T4969]  ? set_blocksize+0x1ec/0x370
[  338.907503][ T4969]  get_tree_bdev+0x3fe/0x620
[  338.912124][ T4969]  ? gfs2_reconfigure+0xcf0/0xcf0
[  338.917160][ T4969]  gfs2_get_tree+0x50/0x210
[  338.921663][ T4969]  ? bpf_lsm_capable+0x5/0x10
[  338.926347][ T4969]  vfs_get_tree+0x88/0x270
[  338.930770][ T4969]  do_new_mount+0x2ba/0xb40
[  338.935283][ T4969]  ? do_move_mount_old+0x160/0x160
[  338.940399][ T4969]  ? user_path_at_empty+0x12b/0x180
[  338.945603][ T4969]  __se_sys_mount+0x2d5/0x3c0
[  338.950288][ T4969]  ? __x64_sys_mount+0xc0/0xc0
[  338.955056][ T4969]  ? syscall_enter_from_user_mode+0x2e/0x240
[  338.961037][ T4969]  ? lockdep_hardirqs_on+0x94/0x130
[  338.966238][ T4969]  ? __x64_sys_mount+0x1c/0xc0
[  338.971006][ T4969]  do_syscall_64+0x3b/0xb0
[  338.975423][ T4969]  ? clear_bhb_loop+0x15/0x70
[  338.980100][ T4969]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  338.985994][ T4969] RIP: 0033:0x7f7668d4490a
[  338.990414][ T4969] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  339.010019][ T4969] RSP: 002b:00007ffdab1b99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.018465][ T4969] RAX: ffffffffffffffda RBX: 00007ffdab1b9a30 RCX: 00007f7668d4490a
[  339.026440][ T4969] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdab1b99f0
[  339.034413][ T4969] RBP: 0000200000000400 R08: 00007ffdab1b9a30 R09: 0000000000000000
[  339.042382][ T4969] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  339.050352][ T4969] R13: 00007ffdab1b99f0 R14: 00000000000125bb R15: 00002000000004c0
[  339.058335][ T4969]  </TASK>
[  339.175189][ T4968] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.198674][ T4968] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  339.237160][ T4969] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.260119][ T4969] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/03/30 08:59:26 executed programs: 472
[  339.395882][ T4970] loop3: detected capacity change from 0 to 32768
[  339.491938][ T4970] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  339.510301][ T4970] CPU: 1 PID: 4970 Comm: syz.3.477 Not tainted 5.15.179-syzkaller #0
[  339.518417][ T4970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  339.528501][ T4970] Call Trace:
[  339.531794][ T4970]  <TASK>
[  339.534736][ T4970]  dump_stack_lvl+0x1e3/0x2d0
[  339.539446][ T4970]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  339.545098][ T4970]  ? panic+0x860/0x860
[  339.549198][ T4970]  ? sysfs_create_dir_ns+0x282/0x390
[  339.554520][ T4970]  sysfs_create_dir_ns+0x2c6/0x390
[  339.559669][ T4970]  ? sysfs_warn_dup+0xa0/0xa0
[  339.564379][ T4970]  ? do_raw_spin_unlock+0x137/0x8b0
[  339.569623][ T4970]  ? kobject_set_name_vargs+0xca/0x110
[  339.575121][ T4970]  kobject_add_internal+0x6e0/0xe00
[  339.580360][ T4970]  kobject_init_and_add+0x120/0x190
[  339.585589][ T4970]  ? lockdep_softirqs_off+0x420/0x420
[  339.590989][ T4970]  ? widen_string+0x3a/0x310
[  339.595616][ T4970]  ? kobject_add+0x210/0x210
[  339.600254][ T4970]  ? __init_swait_queue_head+0xaa/0x140
[  339.605829][ T4970]  gfs2_sys_fs_add+0x237/0x4a0
[  339.610639][ T4970]  ? gfs2_recover_set+0x240/0x240
[  339.615698][ T4970]  ? snprintf+0xd6/0x120
[  339.619971][ T4970]  ? vscnprintf+0x80/0x80
[  339.624329][ T4970]  ? read_word_at_a_time+0xe/0x20
[  339.629381][ T4970]  ? strscpy+0x89/0x220
[  339.633570][ T4970]  gfs2_fill_super+0x1299/0x2750
[  339.638557][ T4970]  ? gfs2_reconfigure+0xcf0/0xcf0
[  339.643605][ T4970]  ? ptr_to_hashval+0x60/0x60
[  339.648311][ T4970]  ? up_write+0x19d/0x580
[  339.652682][ T4970]  ? set_blocksize+0x1ec/0x370
[  339.657475][ T4970]  get_tree_bdev+0x3fe/0x620
[  339.662117][ T4970]  ? gfs2_reconfigure+0xcf0/0xcf0
[  339.667181][ T4970]  gfs2_get_tree+0x50/0x210
[  339.671705][ T4970]  ? bpf_lsm_capable+0x5/0x10
[  339.676405][ T4970]  vfs_get_tree+0x88/0x270
[  339.680840][ T4970]  do_new_mount+0x2ba/0xb40
[  339.685365][ T4970]  ? do_move_mount_old+0x160/0x160
[  339.690496][ T4970]  ? user_path_at_empty+0x12b/0x180
[  339.695716][ T4970]  __se_sys_mount+0x2d5/0x3c0
[  339.700441][ T4970]  ? __x64_sys_mount+0xc0/0xc0
[  339.705230][ T4970]  ? syscall_enter_from_user_mode+0x2e/0x240
[  339.711234][ T4970]  ? lockdep_hardirqs_on+0x94/0x130
[  339.716468][ T4970]  ? __x64_sys_mount+0x1c/0xc0
[  339.721272][ T4970]  do_syscall_64+0x3b/0xb0
[  339.725712][ T4970]  ? clear_bhb_loop+0x15/0x70
[  339.730422][ T4970]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  339.736347][ T4970] RIP: 0033:0x7feee58fc90a
[  339.740790][ T4970] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  339.760423][ T4970] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  339.768871][ T4970] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  339.776872][ T4970] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  339.784869][ T4970] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  339.792869][ T4970] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  339.800867][ T4970] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  339.808880][ T4970]  </TASK>
[  339.879436][ T4970] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  339.902433][ T4970] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  340.608196][ T4971] loop1: detected capacity change from 0 to 32768
[  340.668201][ T4971] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  340.682214][ T4971] CPU: 1 PID: 4971 Comm: syz.1.478 Not tainted 5.15.179-syzkaller #0
[  340.690321][ T4971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  340.700400][ T4971] Call Trace:
[  340.703701][ T4971]  <TASK>
[  340.706650][ T4971]  dump_stack_lvl+0x1e3/0x2d0
[  340.711359][ T4971]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  340.717023][ T4971]  ? panic+0x860/0x860
[  340.721119][ T4971]  ? sysfs_create_dir_ns+0x282/0x390
[  340.726538][ T4971]  sysfs_create_dir_ns+0x2c6/0x390
[  340.731702][ T4971]  ? sysfs_warn_dup+0xa0/0xa0
[  340.736421][ T4971]  ? do_raw_spin_unlock+0x137/0x8b0
[  340.741642][ T4971]  ? kobject_set_name_vargs+0xca/0x110
[  340.747146][ T4971]  kobject_add_internal+0x6e0/0xe00
[  340.752382][ T4971]  kobject_init_and_add+0x120/0x190
[  340.757599][ T4971]  ? lockdep_softirqs_off+0x420/0x420
[  340.762991][ T4971]  ? widen_string+0x3a/0x310
[  340.763566][ T4972] loop0: detected capacity change from 0 to 32768
[  340.767602][ T4971]  ? kobject_add+0x210/0x210
[  340.778592][ T4971]  ? __init_swait_queue_head+0xaa/0x140
[  340.784157][ T4971]  gfs2_sys_fs_add+0x237/0x4a0
[  340.788941][ T4971]  ? gfs2_recover_set+0x240/0x240
[  340.793989][ T4971]  ? snprintf+0xd6/0x120
[  340.798258][ T4971]  ? vscnprintf+0x80/0x80
[  340.802608][ T4971]  ? read_word_at_a_time+0xe/0x20
[  340.807653][ T4971]  ? strscpy+0x89/0x220
[  340.811844][ T4971]  gfs2_fill_super+0x1299/0x2750
[  340.816829][ T4971]  ? gfs2_reconfigure+0xcf0/0xcf0
[  340.821875][ T4971]  ? ptr_to_hashval+0x60/0x60
[  340.826573][ T4971]  ? up_write+0x19d/0x580
[  340.830937][ T4971]  ? set_blocksize+0x1ec/0x370
[  340.835735][ T4971]  get_tree_bdev+0x3fe/0x620
[  340.840351][ T4971]  ? gfs2_reconfigure+0xcf0/0xcf0
[  340.845398][ T4971]  gfs2_get_tree+0x50/0x210
[  340.849937][ T4971]  ? bpf_lsm_capable+0x5/0x10
[  340.854635][ T4971]  vfs_get_tree+0x88/0x270
[  340.859080][ T4971]  do_new_mount+0x2ba/0xb40
[  340.863619][ T4971]  ? do_move_mount_old+0x160/0x160
[  340.868757][ T4971]  ? user_path_at_empty+0x12b/0x180
[  340.873975][ T4971]  __se_sys_mount+0x2d5/0x3c0
[  340.878681][ T4971]  ? __x64_sys_mount+0xc0/0xc0
[  340.883478][ T4971]  ? syscall_enter_from_user_mode+0x2e/0x240
[  340.889488][ T4971]  ? lockdep_hardirqs_on+0x94/0x130
[  340.894718][ T4971]  ? __x64_sys_mount+0x1c/0xc0
[  340.899506][ T4971]  do_syscall_64+0x3b/0xb0
[  340.903946][ T4971]  ? clear_bhb_loop+0x15/0x70
[  340.908651][ T4971]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  340.914570][ T4971] RIP: 0033:0x7fb544ab190a
[  340.919012][ T4971] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  340.938649][ T4971] RSP: 002b:00007ffc5cf418a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  340.947096][ T4971] RAX: ffffffffffffffda RBX: 00007ffc5cf41930 RCX: 00007fb544ab190a
[  340.955096][ T4971] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc5cf418f0
[  340.963087][ T4971] RBP: 0000200000000400 R08: 00007ffc5cf41930 R09: 0000000000000000
[  340.971083][ T4971] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  340.979084][ T4971] R13: 00007ffc5cf418f0 R14: 00000000000125bb R15: 00002000000004c0
[  340.987103][ T4971]  </TASK>
[  341.020126][ T4973] loop4: detected capacity change from 0 to 32768
[  341.026929][ T4971] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.031315][ T4972] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.040252][ T4971] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.066039][ T4972] CPU: 0 PID: 4972 Comm: syz.0.479 Not tainted 5.15.179-syzkaller #0
[  341.074154][ T4972] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  341.084230][ T4972] Call Trace:
[  341.087524][ T4972]  <TASK>
[  341.090468][ T4972]  dump_stack_lvl+0x1e3/0x2d0
[  341.095167][ T4972]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  341.100816][ T4972]  ? panic+0x860/0x860
[  341.104887][ T4972]  ? sysfs_create_dir_ns+0x282/0x390
[  341.110177][ T4972]  sysfs_create_dir_ns+0x2c6/0x390
[  341.115300][ T4972]  ? sysfs_warn_dup+0xa0/0xa0
[  341.119981][ T4972]  ? do_raw_spin_unlock+0x137/0x8b0
[  341.125179][ T4972]  ? kobject_set_name_vargs+0xca/0x110
[  341.130660][ T4972]  kobject_add_internal+0x6e0/0xe00
[  341.135864][ T4972]  kobject_init_and_add+0x120/0x190
[  341.141061][ T4972]  ? lockdep_softirqs_off+0x420/0x420
[  341.146429][ T4972]  ? widen_string+0x3a/0x310
[  341.151026][ T4972]  ? kobject_add+0x210/0x210
[  341.155618][ T4972]  ? __init_swait_queue_head+0xaa/0x140
[  341.161164][ T4972]  gfs2_sys_fs_add+0x237/0x4a0
[  341.165928][ T4972]  ? gfs2_recover_set+0x240/0x240
[  341.170948][ T4972]  ? snprintf+0xd6/0x120
[  341.175206][ T4972]  ? vscnprintf+0x80/0x80
[  341.179560][ T4972]  ? read_word_at_a_time+0xe/0x20
[  341.184589][ T4972]  ? strscpy+0x89/0x220
[  341.188744][ T4972]  gfs2_fill_super+0x1299/0x2750
[  341.193700][ T4972]  ? gfs2_reconfigure+0xcf0/0xcf0
[  341.198725][ T4972]  ? ptr_to_hashval+0x60/0x60
[  341.203401][ T4972]  ? up_write+0x19d/0x580
[  341.207745][ T4972]  ? set_blocksize+0x1ec/0x370
[  341.212604][ T4972]  get_tree_bdev+0x3fe/0x620
[  341.217198][ T4972]  ? gfs2_reconfigure+0xcf0/0xcf0
[  341.222222][ T4972]  gfs2_get_tree+0x50/0x210
[  341.226728][ T4972]  ? bpf_lsm_capable+0x5/0x10
[  341.231414][ T4972]  vfs_get_tree+0x88/0x270
[  341.235831][ T4972]  do_new_mount+0x2ba/0xb40
[  341.240358][ T4972]  ? do_move_mount_old+0x160/0x160
[  341.245474][ T4972]  ? user_path_at_empty+0x12b/0x180
[  341.250673][ T4972]  __se_sys_mount+0x2d5/0x3c0
[  341.255355][ T4972]  ? __x64_sys_mount+0xc0/0xc0
[  341.260115][ T4972]  ? syscall_enter_from_user_mode+0x2e/0x240
[  341.266093][ T4972]  ? lockdep_hardirqs_on+0x94/0x130
[  341.271298][ T4972]  ? __x64_sys_mount+0x1c/0xc0
[  341.276058][ T4972]  do_syscall_64+0x3b/0xb0
[  341.280471][ T4972]  ? clear_bhb_loop+0x15/0x70
[  341.285150][ T4972]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  341.291056][ T4972] RIP: 0033:0x7f7799cf090a
[  341.295483][ T4972] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  341.315096][ T4972] RSP: 002b:00007ffcc600d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.323525][ T4972] RAX: ffffffffffffffda RBX: 00007ffcc600da40 RCX: 00007f7799cf090a
[  341.331497][ T4972] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcc600da00
[  341.339476][ T4972] RBP: 0000200000000400 R08: 00007ffcc600da40 R09: 0000000000000000
[  341.347444][ T4972] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  341.355413][ T4972] R13: 00007ffcc600da00 R14: 00000000000125bb R15: 00002000000004c0
[  341.363400][ T4972]  </TASK>
[  341.385351][ T4973] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.400992][ T4973] CPU: 1 PID: 4973 Comm: syz.4.480 Not tainted 5.15.179-syzkaller #0
[  341.409112][ T4973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  341.419232][ T4973] Call Trace:
[  341.422527][ T4973]  <TASK>
[  341.425488][ T4973]  dump_stack_lvl+0x1e3/0x2d0
[  341.430278][ T4973]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  341.435932][ T4973]  ? panic+0x860/0x860
[  341.440019][ T4973]  ? sysfs_create_dir_ns+0x282/0x390
[  341.445329][ T4973]  sysfs_create_dir_ns+0x2c6/0x390
[  341.450466][ T4973]  ? sysfs_warn_dup+0xa0/0xa0
[  341.455169][ T4973]  ? do_raw_spin_unlock+0x137/0x8b0
[  341.460397][ T4973]  ? kobject_set_name_vargs+0xca/0x110
[  341.465886][ T4973]  kobject_add_internal+0x6e0/0xe00
[  341.471144][ T4973]  kobject_init_and_add+0x120/0x190
[  341.476387][ T4973]  ? lockdep_softirqs_off+0x420/0x420
[  341.481777][ T4973]  ? widen_string+0x3a/0x310
[  341.486401][ T4973]  ? kobject_add+0x210/0x210
[  341.489185][ T4974] loop5: detected capacity change from 0 to 32768
[  341.491013][ T4973]  ? __init_swait_queue_head+0xaa/0x140
[  341.502960][ T4973]  gfs2_sys_fs_add+0x237/0x4a0
[  341.507789][ T4973]  ? gfs2_recover_set+0x240/0x240
[  341.512832][ T4973]  ? snprintf+0xd6/0x120
[  341.517105][ T4973]  ? vscnprintf+0x80/0x80
[  341.521465][ T4973]  ? read_word_at_a_time+0xe/0x20
[  341.526515][ T4973]  ? strscpy+0x89/0x220
[  341.530698][ T4973]  gfs2_fill_super+0x1299/0x2750
[  341.535684][ T4973]  ? gfs2_reconfigure+0xcf0/0xcf0
[  341.540738][ T4973]  ? ptr_to_hashval+0x60/0x60
[  341.545439][ T4973]  ? up_write+0x19d/0x580
[  341.549811][ T4973]  ? set_blocksize+0x1ec/0x370
[  341.554610][ T4973]  get_tree_bdev+0x3fe/0x620
[  341.559383][ T4973]  ? gfs2_reconfigure+0xcf0/0xcf0
[  341.564440][ T4973]  gfs2_get_tree+0x50/0x210
[  341.568969][ T4973]  ? bpf_lsm_capable+0x5/0x10
[  341.573692][ T4973]  vfs_get_tree+0x88/0x270
[  341.578132][ T4973]  do_new_mount+0x2ba/0xb40
[  341.579409][ T4975] loop3: detected capacity change from 0 to 32768
[  341.582653][ T4973]  ? do_move_mount_old+0x160/0x160
[  341.582684][ T4973]  ? user_path_at_empty+0x12b/0x180
[  341.582709][ T4973]  __se_sys_mount+0x2d5/0x3c0
[  341.604094][ T4973]  ? __x64_sys_mount+0xc0/0xc0
[  341.608886][ T4973]  ? syscall_enter_from_user_mode+0x2e/0x240
[  341.612200][ T4972] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.614874][ T4973]  ? lockdep_hardirqs_on+0x94/0x130
[  341.628276][ T4972] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.633179][ T4973]  ? __x64_sys_mount+0x1c/0xc0
[  341.633214][ T4973]  do_syscall_64+0x3b/0xb0
[  341.648874][ T4973]  ? clear_bhb_loop+0x15/0x70
[  341.653563][ T4973]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  341.659485][ T4973] RIP: 0033:0x7efc5382890a
[  341.663924][ T4973] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  341.683531][ T4973] RSP: 002b:00007ffe12103408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  341.691954][ T4973] RAX: ffffffffffffffda RBX: 00007ffe12103490 RCX: 00007efc5382890a
[  341.700025][ T4973] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe12103450
[  341.708004][ T4973] RBP: 0000200000000400 R08: 00007ffe12103490 R09: 0000000000000000
[  341.715998][ T4973] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  341.723968][ T4973] R13: 00007ffe12103450 R14: 00000000000125bb R15: 00002000000004c0
[  341.731952][ T4973]  </TASK>
[  341.737241][ T4973] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  341.751352][ T4973] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  341.787677][ T4975] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.794249][ T4974] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  341.802955][ T4975] CPU: 1 PID: 4975 Comm: syz.3.482 Not tainted 5.15.179-syzkaller #0
[  341.811064][ T4975] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  341.821142][ T4975] Call Trace:
[  341.824443][ T4975]  <TASK>
[  341.827404][ T4975]  dump_stack_lvl+0x1e3/0x2d0
[  341.832134][ T4975]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  341.837799][ T4975]  ? panic+0x860/0x860
[  341.841886][ T4975]  ? sysfs_create_dir_ns+0x282/0x390
[  341.847188][ T4975]  sysfs_create_dir_ns+0x2c6/0x390
[  341.852315][ T4975]  ? sysfs_warn_dup+0xa0/0xa0
[  341.856999][ T4975]  ? do_raw_spin_unlock+0x137/0x8b0
[  341.862202][ T4975]  ? kobject_set_name_vargs+0xca/0x110
[  341.867665][ T4975]  kobject_add_internal+0x6e0/0xe00
[  341.872908][ T4975]  kobject_init_and_add+0x120/0x190
[  341.878114][ T4975]  ? lockdep_softirqs_off+0x420/0x420
[  341.883499][ T4975]  ? widen_string+0x3a/0x310
[  341.888111][ T4975]  ? kobject_add+0x210/0x210
[  341.892707][ T4975]  ? __init_swait_queue_head+0xaa/0x140
[  341.898259][ T4975]  gfs2_sys_fs_add+0x237/0x4a0
[  341.903033][ T4975]  ? gfs2_recover_set+0x240/0x240
[  341.908075][ T4975]  ? snprintf+0xd6/0x120
[  341.912333][ T4975]  ? vscnprintf+0x80/0x80
[  341.916674][ T4975]  ? read_word_at_a_time+0xe/0x20
[  341.921709][ T4975]  ? strscpy+0x89/0x220
[  341.925922][ T4975]  gfs2_fill_super+0x1299/0x2750
[  341.930899][ T4975]  ? gfs2_reconfigure+0xcf0/0xcf0
[  341.935927][ T4975]  ? ptr_to_hashval+0x60/0x60
[  341.940763][ T4975]  ? up_write+0x19d/0x580
[  341.945111][ T4975]  ? set_blocksize+0x1ec/0x370
[  341.949896][ T4975]  get_tree_bdev+0x3fe/0x620
[  341.954489][ T4975]  ? gfs2_reconfigure+0xcf0/0xcf0
[  341.959520][ T4975]  gfs2_get_tree+0x50/0x210
[  341.964024][ T4975]  ? bpf_lsm_capable+0x5/0x10
[  341.968708][ T4975]  vfs_get_tree+0x88/0x270
[  341.973128][ T4975]  do_new_mount+0x2ba/0xb40
[  341.977634][ T4975]  ? do_move_mount_old+0x160/0x160
[  341.982752][ T4975]  ? user_path_at_empty+0x12b/0x180
[  341.987956][ T4975]  __se_sys_mount+0x2d5/0x3c0
[  341.992642][ T4975]  ? __x64_sys_mount+0xc0/0xc0
[  341.997405][ T4975]  ? syscall_enter_from_user_mode+0x2e/0x240
[  342.003387][ T4975]  ? lockdep_hardirqs_on+0x94/0x130
[  342.008593][ T4975]  ? __x64_sys_mount+0x1c/0xc0
[  342.013358][ T4975]  do_syscall_64+0x3b/0xb0
[  342.017780][ T4975]  ? clear_bhb_loop+0x15/0x70
[  342.022460][ T4975]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  342.028364][ T4975] RIP: 0033:0x7feee58fc90a
[  342.032784][ T4975] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  342.052393][ T4975] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  342.060826][ T4975] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  342.068815][ T4975] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  342.076791][ T4975] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  342.084764][ T4975] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  342.092738][ T4975] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  342.100732][ T4975]  </TASK>
[  342.103761][ T4974] CPU: 0 PID: 4974 Comm: syz.5.481 Not tainted 5.15.179-syzkaller #0
[  342.111861][ T4974] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  342.121937][ T4974] Call Trace:
[  342.125252][ T4974]  <TASK>
[  342.128203][ T4974]  dump_stack_lvl+0x1e3/0x2d0
[  342.132907][ T4974]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  342.138569][ T4974]  ? panic+0x860/0x860
[  342.142671][ T4974]  ? sysfs_create_dir_ns+0x282/0x390
[  342.148006][ T4974]  sysfs_create_dir_ns+0x2c6/0x390
[  342.153141][ T4974]  ? sysfs_warn_dup+0xa0/0xa0
[  342.157841][ T4974]  ? do_raw_spin_unlock+0x137/0x8b0
[  342.163058][ T4974]  ? kobject_set_name_vargs+0xca/0x110
[  342.168559][ T4974]  kobject_add_internal+0x6e0/0xe00
[  342.173788][ T4974]  kobject_init_and_add+0x120/0x190
[  342.179010][ T4974]  ? lockdep_softirqs_off+0x420/0x420
[  342.184408][ T4974]  ? widen_string+0x3a/0x310
[  342.189034][ T4974]  ? kobject_add+0x210/0x210
[  342.193652][ T4974]  ? __init_swait_queue_head+0xaa/0x140
[  342.199225][ T4974]  gfs2_sys_fs_add+0x237/0x4a0
[  342.204008][ T4974]  ? gfs2_recover_set+0x240/0x240
[  342.209052][ T4974]  ? snprintf+0xd6/0x120
[  342.213322][ T4974]  ? vscnprintf+0x80/0x80
[  342.217688][ T4974]  ? read_word_at_a_time+0xe/0x20
[  342.222740][ T4974]  ? strscpy+0x89/0x220
[  342.226924][ T4974]  gfs2_fill_super+0x1299/0x2750
[  342.231912][ T4974]  ? gfs2_reconfigure+0xcf0/0xcf0
[  342.236966][ T4974]  ? ptr_to_hashval+0x60/0x60
[  342.241663][ T4974]  ? up_write+0x19d/0x580
[  342.246031][ T4974]  ? set_blocksize+0x1ec/0x370
[  342.250822][ T4974]  get_tree_bdev+0x3fe/0x620
[  342.255432][ T4974]  ? gfs2_reconfigure+0xcf0/0xcf0
[  342.260501][ T4974]  gfs2_get_tree+0x50/0x210
[  342.265032][ T4974]  ? bpf_lsm_capable+0x5/0x10
[  342.269740][ T4974]  vfs_get_tree+0x88/0x270
[  342.274188][ T4974]  do_new_mount+0x2ba/0xb40
[  342.278715][ T4974]  ? do_move_mount_old+0x160/0x160
[  342.283850][ T4974]  ? user_path_at_empty+0x12b/0x180
[  342.289080][ T4974]  __se_sys_mount+0x2d5/0x3c0
[  342.293794][ T4974]  ? __x64_sys_mount+0xc0/0xc0
[  342.298583][ T4974]  ? syscall_enter_from_user_mode+0x2e/0x240
[  342.304590][ T4974]  ? lockdep_hardirqs_on+0x94/0x130
[  342.309820][ T4974]  ? __x64_sys_mount+0x1c/0xc0
[  342.314611][ T4974]  do_syscall_64+0x3b/0xb0
[  342.319060][ T4974]  ? clear_bhb_loop+0x15/0x70
[  342.323816][ T4974]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  342.329738][ T4974] RIP: 0033:0x7f7668d4490a
[  342.334182][ T4974] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  342.353811][ T4974] RSP: 002b:00007ffdab1b99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  342.356480][ T4975] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.362247][ T4974] RAX: ffffffffffffffda RBX: 00007ffdab1b9a30 RCX: 00007f7668d4490a
[  342.362268][ T4974] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdab1b99f0
[  342.362283][ T4974] RBP: 0000200000000400 R08: 00007ffdab1b9a30 R09: 0000000000000000
[  342.362300][ T4974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  342.362315][ T4974] R13: 00007ffdab1b99f0 R14: 00000000000125bb R15: 00002000000004c0
[  342.362347][ T4974]  </TASK>
[  342.462638][ T4975] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  342.735138][ T4974] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  342.760492][ T4974] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.465253][ T4976] loop1: detected capacity change from 0 to 32768
[  343.545410][ T4976] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  343.576770][ T4976] CPU: 1 PID: 4976 Comm: syz.1.483 Not tainted 5.15.179-syzkaller #0
[  343.584894][ T4976] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  343.594976][ T4976] Call Trace:
[  343.598271][ T4976]  <TASK>
[  343.601206][ T4976]  dump_stack_lvl+0x1e3/0x2d0
[  343.606022][ T4976]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  343.611701][ T4976]  ? panic+0x860/0x860
[  343.615817][ T4976]  ? sysfs_create_dir_ns+0x282/0x390
[  343.621134][ T4976]  sysfs_create_dir_ns+0x2c6/0x390
[  343.626274][ T4976]  ? sysfs_warn_dup+0xa0/0xa0
[  343.630977][ T4976]  ? do_raw_spin_unlock+0x137/0x8b0
[  343.636191][ T4976]  ? kobject_set_name_vargs+0xca/0x110
[  343.641675][ T4976]  kobject_add_internal+0x6e0/0xe00
[  343.646896][ T4976]  kobject_init_and_add+0x120/0x190
[  343.652121][ T4976]  ? lockdep_softirqs_off+0x420/0x420
[  343.657513][ T4976]  ? widen_string+0x3a/0x310
[  343.662136][ T4976]  ? kobject_add+0x210/0x210
[  343.666754][ T4976]  ? __init_swait_queue_head+0xaa/0x140
[  343.672326][ T4976]  gfs2_sys_fs_add+0x237/0x4a0
[  343.677130][ T4976]  ? gfs2_recover_set+0x240/0x240
[  343.682172][ T4976]  ? snprintf+0xd6/0x120
[  343.686437][ T4976]  ? vscnprintf+0x80/0x80
[  343.690792][ T4976]  ? read_word_at_a_time+0xe/0x20
[  343.695850][ T4976]  ? strscpy+0x89/0x220
[  343.700026][ T4976]  gfs2_fill_super+0x1299/0x2750
[  343.705008][ T4976]  ? gfs2_reconfigure+0xcf0/0xcf0
[  343.710053][ T4976]  ? ptr_to_hashval+0x60/0x60
[  343.714767][ T4976]  ? up_write+0x19d/0x580
[  343.719128][ T4976]  ? set_blocksize+0x1ec/0x370
[  343.723911][ T4976]  get_tree_bdev+0x3fe/0x620
[  343.728558][ T4976]  ? gfs2_reconfigure+0xcf0/0xcf0
[  343.733606][ T4976]  gfs2_get_tree+0x50/0x210
[  343.738250][ T4976]  ? bpf_lsm_capable+0x5/0x10
[  343.742959][ T4976]  vfs_get_tree+0x88/0x270
[  343.747413][ T4976]  do_new_mount+0x2ba/0xb40
[  343.751965][ T4976]  ? do_move_mount_old+0x160/0x160
[  343.757115][ T4976]  ? user_path_at_empty+0x12b/0x180
[  343.760364][ T4977] loop0: detected capacity change from 0 to 32768
[  343.762330][ T4976]  __se_sys_mount+0x2d5/0x3c0
[  343.762361][ T4976]  ? __x64_sys_mount+0xc0/0xc0
[  343.762383][ T4976]  ? syscall_enter_from_user_mode+0x2e/0x240
[  343.762406][ T4976]  ? lockdep_hardirqs_on+0x94/0x130
[  343.762431][ T4976]  ? __x64_sys_mount+0x1c/0xc0
[  343.762454][ T4976]  do_syscall_64+0x3b/0xb0
[  343.762474][ T4976]  ? clear_bhb_loop+0x15/0x70
[  343.762498][ T4976]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  343.762520][ T4976] RIP: 0033:0x7fb544ab190a
[  343.762542][ T4976] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  343.762561][ T4976] RSP: 002b:00007ffc5cf418a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  343.762588][ T4976] RAX: ffffffffffffffda RBX: 00007ffc5cf41930 RCX: 00007fb544ab190a
[  343.762605][ T4976] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc5cf418f0
[  343.762621][ T4976] RBP: 0000200000000400 R08: 00007ffc5cf41930 R09: 0000000000000000
[  343.762637][ T4976] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  343.762652][ T4976] R13: 00007ffc5cf418f0 R14: 00000000000125bb R15: 00002000000004c0
[  343.762685][ T4976]  </TASK>
[  343.889153][ T4976] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  343.922159][ T4976] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  343.971871][ T4979] loop3: detected capacity change from 0 to 32768
[  343.997298][ T4979] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  344.024832][ T4978] loop4: detected capacity change from 0 to 32768
[  344.030688][ T4979] CPU: 0 PID: 4979 Comm: syz.3.486 Not tainted 5.15.179-syzkaller #0
[  344.039368][ T4979] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  344.049452][ T4979] Call Trace:
[  344.052757][ T4979]  <TASK>
[  344.055707][ T4979]  dump_stack_lvl+0x1e3/0x2d0
[  344.060459][ T4979]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  344.066120][ T4979]  ? panic+0x860/0x860
[  344.070215][ T4979]  ? sysfs_create_dir_ns+0x282/0x390
[  344.075535][ T4979]  sysfs_create_dir_ns+0x2c6/0x390
[  344.080760][ T4979]  ? sysfs_warn_dup+0xa0/0xa0
[  344.085463][ T4979]  ? do_raw_spin_unlock+0x137/0x8b0
[  344.090681][ T4979]  ? kobject_set_name_vargs+0xca/0x110
[  344.096166][ T4979]  kobject_add_internal+0x6e0/0xe00
[  344.101400][ T4979]  kobject_init_and_add+0x120/0x190
[  344.106620][ T4979]  ? lockdep_softirqs_off+0x420/0x420
[  344.112044][ T4979]  ? widen_string+0x3a/0x310
[  344.116660][ T4979]  ? kobject_add+0x210/0x210
[  344.121278][ T4979]  ? __init_swait_queue_head+0xaa/0x140
[  344.126857][ T4979]  gfs2_sys_fs_add+0x237/0x4a0
[  344.131667][ T4979]  ? gfs2_recover_set+0x240/0x240
[  344.136723][ T4979]  ? snprintf+0xd6/0x120
[  344.140996][ T4979]  ? vscnprintf+0x80/0x80
[  344.145360][ T4979]  ? read_word_at_a_time+0xe/0x20
[  344.150403][ T4979]  ? strscpy+0x89/0x220
[  344.154611][ T4979]  gfs2_fill_super+0x1299/0x2750
[  344.159594][ T4979]  ? gfs2_reconfigure+0xcf0/0xcf0
[  344.164641][ T4979]  ? ptr_to_hashval+0x60/0x60
[  344.169339][ T4979]  ? up_write+0x19d/0x580
[  344.173714][ T4979]  ? set_blocksize+0x1ec/0x370
[  344.178528][ T4979]  get_tree_bdev+0x3fe/0x620
[  344.183145][ T4979]  ? gfs2_reconfigure+0xcf0/0xcf0
[  344.188198][ T4979]  gfs2_get_tree+0x50/0x210
[  344.192734][ T4979]  ? bpf_lsm_capable+0x5/0x10
[  344.197447][ T4979]  vfs_get_tree+0x88/0x270
[  344.201912][ T4979]  do_new_mount+0x2ba/0xb40
[  344.206439][ T4979]  ? do_move_mount_old+0x160/0x160
[  344.211581][ T4979]  ? user_path_at_empty+0x12b/0x180
[  344.216824][ T4979]  __se_sys_mount+0x2d5/0x3c0
[  344.221528][ T4979]  ? __x64_sys_mount+0xc0/0xc0
[  344.226335][ T4979]  ? syscall_enter_from_user_mode+0x2e/0x240
[  344.232330][ T4979]  ? lockdep_hardirqs_on+0x94/0x130
[  344.237549][ T4979]  ? __x64_sys_mount+0x1c/0xc0
[  344.238698][ T4980] loop5: detected capacity change from 0 to 32768
[  344.242341][ T4979]  do_syscall_64+0x3b/0xb0
[  344.242366][ T4979]  ? clear_bhb_loop+0x15/0x70
[  344.242391][ T4979]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  344.242415][ T4979] RIP: 0033:0x7feee58fc90a
[  344.242435][ T4979] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  344.242454][ T4979] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  344.242478][ T4979] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  344.242495][ T4979] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  344.242511][ T4979] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  344.242526][ T4979] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  344.242541][ T4979] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  344.242571][ T4979]  </TASK>
[  344.266052][ T4979] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  344.356022][ T4979] gfs2: fsid=syz:syz: error -17 adding sysfs files
2025/03/30 08:59:31 executed programs: 482
[  344.400977][ T4978] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  344.408963][ T4980] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  344.416704][ T4977] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  344.452341][ T4977] CPU: 0 PID: 4977 Comm: syz.0.484 Not tainted 5.15.179-syzkaller #0
[  344.460459][ T4977] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  344.470536][ T4977] Call Trace:
[  344.473830][ T4977]  <TASK>
[  344.476773][ T4977]  dump_stack_lvl+0x1e3/0x2d0
[  344.481476][ T4977]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  344.487142][ T4977]  ? panic+0x860/0x860
[  344.491240][ T4977]  ? sysfs_create_dir_ns+0x282/0x390
[  344.496556][ T4977]  sysfs_create_dir_ns+0x2c6/0x390
[  344.501752][ T4977]  ? sysfs_warn_dup+0xa0/0xa0
[  344.506455][ T4977]  ? do_raw_spin_unlock+0x137/0x8b0
[  344.511696][ T4977]  ? kobject_set_name_vargs+0xca/0x110
[  344.517277][ T4977]  kobject_add_internal+0x6e0/0xe00
[  344.522506][ T4977]  kobject_init_and_add+0x120/0x190
[  344.527722][ T4977]  ? lockdep_softirqs_off+0x420/0x420
[  344.533113][ T4977]  ? widen_string+0x3a/0x310
[  344.537731][ T4977]  ? kobject_add+0x210/0x210
[  344.542353][ T4977]  ? __init_swait_queue_head+0xaa/0x140
[  344.547928][ T4977]  gfs2_sys_fs_add+0x237/0x4a0
[  344.552718][ T4977]  ? gfs2_recover_set+0x240/0x240
[  344.557770][ T4977]  ? snprintf+0xd6/0x120
[  344.562028][ T4977]  ? vscnprintf+0x80/0x80
[  344.566459][ T4977]  ? read_word_at_a_time+0xe/0x20
[  344.571513][ T4977]  ? strscpy+0x89/0x220
[  344.575725][ T4977]  gfs2_fill_super+0x1299/0x2750
[  344.580710][ T4977]  ? gfs2_reconfigure+0xcf0/0xcf0
[  344.585766][ T4977]  ? ptr_to_hashval+0x60/0x60
[  344.590478][ T4977]  ? up_write+0x19d/0x580
[  344.594853][ T4977]  ? set_blocksize+0x1ec/0x370
[  344.599645][ T4977]  get_tree_bdev+0x3fe/0x620
[  344.604265][ T4977]  ? gfs2_reconfigure+0xcf0/0xcf0
[  344.609314][ T4977]  gfs2_get_tree+0x50/0x210
[  344.613841][ T4977]  ? bpf_lsm_capable+0x5/0x10
[  344.618565][ T4977]  vfs_get_tree+0x88/0x270
[  344.623004][ T4977]  do_new_mount+0x2ba/0xb40
[  344.627521][ T4977]  ? do_move_mount_old+0x160/0x160
[  344.632641][ T4977]  ? user_path_at_empty+0x12b/0x180
[  344.637859][ T4977]  __se_sys_mount+0x2d5/0x3c0
[  344.642565][ T4977]  ? __x64_sys_mount+0xc0/0xc0
[  344.647348][ T4977]  ? syscall_enter_from_user_mode+0x2e/0x240
[  344.653349][ T4977]  ? lockdep_hardirqs_on+0x94/0x130
[  344.658572][ T4977]  ? __x64_sys_mount+0x1c/0xc0
[  344.663349][ T4977]  do_syscall_64+0x3b/0xb0
[  344.667776][ T4977]  ? clear_bhb_loop+0x15/0x70
[  344.672459][ T4977]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  344.678369][ T4977] RIP: 0033:0x7f7799cf090a
[  344.682801][ T4977] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  344.702421][ T4977] RSP: 002b:00007ffcc600d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  344.710862][ T4977] RAX: ffffffffffffffda RBX: 00007ffcc600da40 RCX: 00007f7799cf090a
[  344.718850][ T4977] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcc600da00
[  344.726850][ T4977] RBP: 0000200000000400 R08: 00007ffcc600da40 R09: 0000000000000000
[  344.734854][ T4977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  344.742844][ T4977] R13: 00007ffcc600da00 R14: 00000000000125bb R15: 00002000000004c0
[  344.750839][ T4977]  </TASK>
[  344.754176][ T4978] CPU: 0 PID: 4978 Comm: syz.4.485 Not tainted 5.15.179-syzkaller #0
[  344.762261][ T4978] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  344.772335][ T4978] Call Trace:
[  344.775638][ T4978]  <TASK>
[  344.778578][ T4978]  dump_stack_lvl+0x1e3/0x2d0
[  344.783279][ T4978]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  344.788926][ T4978]  ? panic+0x860/0x860
[  344.793007][ T4978]  ? sysfs_create_dir_ns+0x282/0x390
[  344.798333][ T4978]  sysfs_create_dir_ns+0x2c6/0x390
[  344.803481][ T4978]  ? sysfs_warn_dup+0xa0/0xa0
[  344.808271][ T4978]  ? do_raw_spin_unlock+0x137/0x8b0
[  344.813494][ T4978]  ? kobject_set_name_vargs+0xca/0x110
[  344.818972][ T4978]  kobject_add_internal+0x6e0/0xe00
[  344.824191][ T4978]  kobject_init_and_add+0x120/0x190
[  344.829389][ T4978]  ? lockdep_softirqs_off+0x420/0x420
[  344.834759][ T4978]  ? widen_string+0x3a/0x310
[  344.839365][ T4978]  ? kobject_add+0x210/0x210
[  344.843977][ T4978]  ? __init_swait_queue_head+0xaa/0x140
[  344.849549][ T4978]  gfs2_sys_fs_add+0x237/0x4a0
[  344.854329][ T4978]  ? gfs2_recover_set+0x240/0x240
[  344.859371][ T4978]  ? snprintf+0xd6/0x120
[  344.863637][ T4978]  ? vscnprintf+0x80/0x80
[  344.867988][ T4978]  ? read_word_at_a_time+0xe/0x20
[  344.873029][ T4978]  ? strscpy+0x89/0x220
[  344.877211][ T4978]  gfs2_fill_super+0x1299/0x2750
[  344.882183][ T4978]  ? gfs2_reconfigure+0xcf0/0xcf0
[  344.887219][ T4978]  ? ptr_to_hashval+0x60/0x60
[  344.891908][ T4978]  ? up_write+0x19d/0x580
[  344.896277][ T4978]  ? set_blocksize+0x1ec/0x370
[  344.901086][ T4978]  get_tree_bdev+0x3fe/0x620
[  344.905690][ T4978]  ? gfs2_reconfigure+0xcf0/0xcf0
[  344.910731][ T4978]  gfs2_get_tree+0x50/0x210
[  344.915251][ T4978]  ? bpf_lsm_capable+0x5/0x10
[  344.919952][ T4978]  vfs_get_tree+0x88/0x270
[  344.920195][ T4977] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  344.924395][ T4978]  do_new_mount+0x2ba/0xb40
[  344.924425][ T4978]  ? do_move_mount_old+0x160/0x160
[  344.924453][ T4978]  ? user_path_at_empty+0x12b/0x180
[  344.924479][ T4978]  __se_sys_mount+0x2d5/0x3c0
[  344.957037][ T4978]  ? __x64_sys_mount+0xc0/0xc0
[  344.961822][ T4978]  ? syscall_enter_from_user_mode+0x2e/0x240
[  344.967809][ T4978]  ? lockdep_hardirqs_on+0x94/0x130
[  344.973028][ T4978]  ? __x64_sys_mount+0x1c/0xc0
[  344.977810][ T4978]  do_syscall_64+0x3b/0xb0
[  344.978552][ T4977] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  344.982231][ T4978]  ? clear_bhb_loop+0x15/0x70
[  344.982259][ T4978]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  344.982284][ T4978] RIP: 0033:0x7efc5382890a
[  344.982305][ T4978] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  344.982324][ T4978] RSP: 002b:00007ffe12103408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  344.982363][ T4978] RAX: ffffffffffffffda RBX: 00007ffe12103490 RCX: 00007efc5382890a
[  344.982380][ T4978] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe12103450
[  345.047798][ T4978] RBP: 0000200000000400 R08: 00007ffe12103490 R09: 0000000000000000
[  345.055776][ T4978] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  345.063747][ T4978] R13: 00007ffe12103450 R14: 00000000000125bb R15: 00002000000004c0
[  345.071733][ T4978]  </TASK>
[  345.079355][ T4980] CPU: 0 PID: 4980 Comm: syz.5.487 Not tainted 5.15.179-syzkaller #0
[  345.087472][ T4980] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  345.097557][ T4980] Call Trace:
[  345.100859][ T4980]  <TASK>
[  345.103812][ T4980]  dump_stack_lvl+0x1e3/0x2d0
[  345.108526][ T4980]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  345.114308][ T4980]  ? panic+0x860/0x860
[  345.118428][ T4980]  ? sysfs_create_dir_ns+0x282/0x390
[  345.123753][ T4980]  sysfs_create_dir_ns+0x2c6/0x390
[  345.128903][ T4980]  ? sysfs_warn_dup+0xa0/0xa0
[  345.133616][ T4980]  ? do_raw_spin_unlock+0x137/0x8b0
[  345.138832][ T4980]  ? kobject_set_name_vargs+0xca/0x110
[  345.144320][ T4980]  kobject_add_internal+0x6e0/0xe00
[  345.149564][ T4980]  kobject_init_and_add+0x120/0x190
[  345.154808][ T4980]  ? lockdep_softirqs_off+0x420/0x420
[  345.160216][ T4980]  ? widen_string+0x3a/0x310
[  345.164850][ T4980]  ? kobject_add+0x210/0x210
[  345.169481][ T4980]  ? __init_swait_queue_head+0xaa/0x140
[  345.175063][ T4980]  gfs2_sys_fs_add+0x237/0x4a0
[  345.179861][ T4980]  ? gfs2_recover_set+0x240/0x240
[  345.184953][ T4980]  ? snprintf+0xd6/0x120
[  345.189248][ T4980]  ? vscnprintf+0x80/0x80
[  345.193613][ T4980]  ? read_word_at_a_time+0xe/0x20
[  345.198661][ T4980]  ? strscpy+0x89/0x220
[  345.202843][ T4980]  gfs2_fill_super+0x1299/0x2750
[  345.207827][ T4980]  ? gfs2_reconfigure+0xcf0/0xcf0
[  345.212893][ T4980]  ? ptr_to_hashval+0x60/0x60
[  345.217606][ T4980]  ? up_write+0x19d/0x580
[  345.221994][ T4980]  ? set_blocksize+0x1ec/0x370
[  345.226797][ T4980]  get_tree_bdev+0x3fe/0x620
[  345.231419][ T4980]  ? gfs2_reconfigure+0xcf0/0xcf0
[  345.236477][ T4980]  gfs2_get_tree+0x50/0x210
[  345.241002][ T4980]  ? bpf_lsm_capable+0x5/0x10
[  345.245707][ T4980]  vfs_get_tree+0x88/0x270
[  345.250144][ T4980]  do_new_mount+0x2ba/0xb40
[  345.254674][ T4980]  ? do_move_mount_old+0x160/0x160
[  345.259809][ T4980]  ? user_path_at_empty+0x12b/0x180
[  345.265034][ T4980]  __se_sys_mount+0x2d5/0x3c0
[  345.269745][ T4980]  ? __x64_sys_mount+0xc0/0xc0
[  345.274533][ T4980]  ? syscall_enter_from_user_mode+0x2e/0x240
[  345.280538][ T4980]  ? lockdep_hardirqs_on+0x94/0x130
[  345.285774][ T4980]  ? __x64_sys_mount+0x1c/0xc0
[  345.290925][ T4980]  do_syscall_64+0x3b/0xb0
[  345.295365][ T4980]  ? clear_bhb_loop+0x15/0x70
[  345.300072][ T4980]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  345.306002][ T4980] RIP: 0033:0x7f7668d4490a
[  345.310447][ T4980] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  345.330076][ T4980] RSP: 002b:00007ffdab1b99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  345.338527][ T4980] RAX: ffffffffffffffda RBX: 00007ffdab1b9a30 RCX: 00007f7668d4490a
[  345.346531][ T4980] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdab1b99f0
[  345.354534][ T4980] RBP: 0000200000000400 R08: 00007ffdab1b9a30 R09: 0000000000000000
[  345.362535][ T4980] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  345.370539][ T4980] R13: 00007ffdab1b99f0 R14: 00000000000125bb R15: 00002000000004c0
[  345.378554][ T4980]  </TASK>
[  345.385264][ T4980] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.398633][ T4980] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  345.413985][ T4978] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  345.434053][ T4978] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  345.699218][ T4981] loop1: detected capacity change from 0 to 32768
[  345.793668][ T4981] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  345.807088][ T4981] CPU: 0 PID: 4981 Comm: syz.1.488 Not tainted 5.15.179-syzkaller #0
[  345.815208][ T4981] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  345.825289][ T4981] Call Trace:
[  345.828690][ T4981]  <TASK>
[  345.831637][ T4981]  dump_stack_lvl+0x1e3/0x2d0
[  345.836364][ T4981]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  345.842033][ T4981]  ? panic+0x860/0x860
[  345.846135][ T4981]  ? sysfs_create_dir_ns+0x282/0x390
[  345.851470][ T4981]  sysfs_create_dir_ns+0x2c6/0x390
[  345.856648][ T4981]  ? sysfs_warn_dup+0xa0/0xa0
[  345.861362][ T4981]  ? do_raw_spin_unlock+0x137/0x8b0
[  345.866600][ T4981]  ? kobject_set_name_vargs+0xca/0x110
[  345.872099][ T4981]  kobject_add_internal+0x6e0/0xe00
[  345.877334][ T4981]  kobject_init_and_add+0x120/0x190
[  345.882565][ T4981]  ? lockdep_softirqs_off+0x420/0x420
[  345.887957][ T4981]  ? widen_string+0x3a/0x310
[  345.892718][ T4981]  ? kobject_add+0x210/0x210
[  345.897366][ T4981]  ? __init_swait_queue_head+0xaa/0x140
[  345.902952][ T4981]  gfs2_sys_fs_add+0x237/0x4a0
[  345.907756][ T4981]  ? gfs2_recover_set+0x240/0x240
[  345.912806][ T4981]  ? snprintf+0xd6/0x120
[  345.917082][ T4981]  ? vscnprintf+0x80/0x80
[  345.921440][ T4981]  ? read_word_at_a_time+0xe/0x20
[  345.926475][ T4981]  ? strscpy+0x89/0x220
[  345.930648][ T4981]  gfs2_fill_super+0x1299/0x2750
[  345.935628][ T4981]  ? gfs2_reconfigure+0xcf0/0xcf0
[  345.940699][ T4981]  ? ptr_to_hashval+0x60/0x60
[  345.945408][ T4981]  ? up_write+0x19d/0x580
[  345.949780][ T4981]  ? set_blocksize+0x1ec/0x370
[  345.954575][ T4981]  get_tree_bdev+0x3fe/0x620
[  345.959195][ T4981]  ? gfs2_reconfigure+0xcf0/0xcf0
[  345.964249][ T4981]  gfs2_get_tree+0x50/0x210
[  345.968780][ T4981]  ? bpf_lsm_capable+0x5/0x10
[  345.973487][ T4981]  vfs_get_tree+0x88/0x270
[  345.977931][ T4981]  do_new_mount+0x2ba/0xb40
[  345.982500][ T4981]  ? do_move_mount_old+0x160/0x160
[  345.987658][ T4981]  ? user_path_at_empty+0x12b/0x180
[  345.992885][ T4981]  __se_sys_mount+0x2d5/0x3c0
[  345.997840][ T4981]  ? __x64_sys_mount+0xc0/0xc0
[  346.002638][ T4981]  ? syscall_enter_from_user_mode+0x2e/0x240
[  346.008630][ T4981]  ? lockdep_hardirqs_on+0x94/0x130
[  346.013849][ T4981]  ? __x64_sys_mount+0x1c/0xc0
[  346.018648][ T4981]  do_syscall_64+0x3b/0xb0
[  346.023091][ T4981]  ? clear_bhb_loop+0x15/0x70
[  346.027791][ T4981]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  346.033710][ T4981] RIP: 0033:0x7fb544ab190a
[  346.038147][ T4981] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  346.057785][ T4981] RSP: 002b:00007ffc5cf418a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  346.066243][ T4981] RAX: ffffffffffffffda RBX: 00007ffc5cf41930 RCX: 00007fb544ab190a
[  346.074266][ T4981] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc5cf418f0
[  346.082270][ T4981] RBP: 0000200000000400 R08: 00007ffc5cf41930 R09: 0000000000000000
[  346.090267][ T4981] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  346.098262][ T4981] R13: 00007ffc5cf418f0 R14: 00000000000125bb R15: 00002000000004c0
[  346.106279][ T4981]  </TASK>
[  346.326650][ T4981] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  346.700669][ T4982] loop3: detected capacity change from 0 to 32768
[  346.736252][ T4984] loop5: detected capacity change from 0 to 32768
[  346.747352][ T4981] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  346.764973][ T4985] loop4: detected capacity change from 0 to 32768
[  346.781507][ T4982] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.803825][ T4984] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.807191][ T4985] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  346.816039][ T4984] CPU: 1 PID: 4984 Comm: syz.5.491 Not tainted 5.15.179-syzkaller #0
[  346.826666][ T4984] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  346.836750][ T4984] Call Trace:
[  346.840066][ T4984]  <TASK>
[  346.843017][ T4984]  dump_stack_lvl+0x1e3/0x2d0
[  346.847719][ T4984]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  346.853374][ T4984]  ? panic+0x860/0x860
[  346.857459][ T4984]  ? sysfs_create_dir_ns+0x282/0x390
[  346.862778][ T4984]  sysfs_create_dir_ns+0x2c6/0x390
[  346.867916][ T4984]  ? sysfs_warn_dup+0xa0/0xa0
[  346.872726][ T4984]  ? do_raw_spin_unlock+0x137/0x8b0
[  346.877951][ T4984]  ? kobject_set_name_vargs+0xca/0x110
[  346.883429][ T4984]  kobject_add_internal+0x6e0/0xe00
[  346.888643][ T4984]  kobject_init_and_add+0x120/0x190
[  346.893845][ T4984]  ? lockdep_softirqs_off+0x420/0x420
[  346.899219][ T4984]  ? widen_string+0x3a/0x310
[  346.903816][ T4984]  ? kobject_add+0x210/0x210
[  346.908413][ T4984]  ? __init_swait_queue_head+0xaa/0x140
[  346.913965][ T4984]  gfs2_sys_fs_add+0x237/0x4a0
[  346.918758][ T4984]  ? gfs2_recover_set+0x240/0x240
[  346.923811][ T4984]  ? snprintf+0xd6/0x120
[  346.928071][ T4984]  ? vscnprintf+0x80/0x80
[  346.932418][ T4984]  ? read_word_at_a_time+0xe/0x20
[  346.937462][ T4984]  ? strscpy+0x89/0x220
[  346.941638][ T4984]  gfs2_fill_super+0x1299/0x2750
[  346.946613][ T4984]  ? gfs2_reconfigure+0xcf0/0xcf0
[  346.951667][ T4984]  ? ptr_to_hashval+0x60/0x60
[  346.956364][ T4984]  ? up_write+0x19d/0x580
[  346.960728][ T4984]  ? set_blocksize+0x1ec/0x370
[  346.965537][ T4984]  get_tree_bdev+0x3fe/0x620
[  346.970156][ T4984]  ? gfs2_reconfigure+0xcf0/0xcf0
[  346.975212][ T4984]  gfs2_get_tree+0x50/0x210
[  346.979733][ T4984]  ? bpf_lsm_capable+0x5/0x10
[  346.984429][ T4984]  vfs_get_tree+0x88/0x270
[  346.988873][ T4984]  do_new_mount+0x2ba/0xb40
[  346.993398][ T4984]  ? do_move_mount_old+0x160/0x160
[  346.998541][ T4984]  ? user_path_at_empty+0x12b/0x180
[  347.003765][ T4984]  __se_sys_mount+0x2d5/0x3c0
[  347.008462][ T4984]  ? __x64_sys_mount+0xc0/0xc0
[  347.013363][ T4984]  ? syscall_enter_from_user_mode+0x2e/0x240
[  347.019358][ T4984]  ? lockdep_hardirqs_on+0x94/0x130
[  347.024566][ T4984]  ? __x64_sys_mount+0x1c/0xc0
[  347.029336][ T4984]  do_syscall_64+0x3b/0xb0
[  347.033782][ T4984]  ? clear_bhb_loop+0x15/0x70
[  347.038471][ T4984]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  347.044381][ T4984] RIP: 0033:0x7f7668d4490a
[  347.048806][ T4984] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  347.068421][ T4984] RSP: 002b:00007ffdab1b99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.076855][ T4984] RAX: ffffffffffffffda RBX: 00007ffdab1b9a30 RCX: 00007f7668d4490a
[  347.084833][ T4984] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdab1b99f0
[  347.092816][ T4984] RBP: 0000200000000400 R08: 00007ffdab1b9a30 R09: 0000000000000000
[  347.100806][ T4984] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  347.108783][ T4984] R13: 00007ffdab1b99f0 R14: 00000000000125bb R15: 00002000000004c0
[  347.116781][ T4984]  </TASK>
[  347.156918][ T4984] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.177362][ T4985] CPU: 1 PID: 4985 Comm: syz.4.492 Not tainted 5.15.179-syzkaller #0
[  347.185478][ T4985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  347.195551][ T4985] Call Trace:
[  347.198848][ T4985]  <TASK>
[  347.201792][ T4985]  dump_stack_lvl+0x1e3/0x2d0
[  347.206494][ T4985]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  347.212160][ T4985]  ? panic+0x860/0x860
[  347.216249][ T4985]  ? sysfs_create_dir_ns+0x282/0x390
[  347.221580][ T4985]  sysfs_create_dir_ns+0x2c6/0x390
[  347.226709][ T4985]  ? sysfs_warn_dup+0xa0/0xa0
[  347.231392][ T4985]  ? do_raw_spin_unlock+0x137/0x8b0
[  347.236618][ T4985]  ? kobject_set_name_vargs+0xca/0x110
[  347.242107][ T4985]  kobject_add_internal+0x6e0/0xe00
[  347.246558][ T4983] loop0: detected capacity change from 0 to 32768
[  347.247329][ T4985]  kobject_init_and_add+0x120/0x190
[  347.258917][ T4985]  ? lockdep_softirqs_off+0x420/0x420
[  347.264300][ T4985]  ? widen_string+0x3a/0x310
[  347.268903][ T4985]  ? kobject_add+0x210/0x210
[  347.273503][ T4985]  ? __init_swait_queue_head+0xaa/0x140
[  347.279070][ T4985]  gfs2_sys_fs_add+0x237/0x4a0
[  347.283851][ T4985]  ? gfs2_recover_set+0x240/0x240
[  347.288896][ T4985]  ? snprintf+0xd6/0x120
[  347.293167][ T4985]  ? vscnprintf+0x80/0x80
[  347.297530][ T4985]  ? read_word_at_a_time+0xe/0x20
[  347.302578][ T4985]  ? strscpy+0x89/0x220
[  347.306753][ T4985]  gfs2_fill_super+0x1299/0x2750
[  347.311733][ T4985]  ? gfs2_reconfigure+0xcf0/0xcf0
[  347.316779][ T4985]  ? ptr_to_hashval+0x60/0x60
[  347.321464][ T4985]  ? up_write+0x19d/0x580
[  347.325822][ T4985]  ? set_blocksize+0x1ec/0x370
[  347.330608][ T4985]  get_tree_bdev+0x3fe/0x620
[  347.333045][ T4984] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.335212][ T4985]  ? gfs2_reconfigure+0xcf0/0xcf0
[  347.346722][ T4985]  gfs2_get_tree+0x50/0x210
[  347.351237][ T4985]  ? bpf_lsm_capable+0x5/0x10
[  347.355950][ T4985]  vfs_get_tree+0x88/0x270
[  347.360386][ T4985]  do_new_mount+0x2ba/0xb40
[  347.364903][ T4985]  ? do_move_mount_old+0x160/0x160
[  347.370030][ T4985]  ? user_path_at_empty+0x12b/0x180
[  347.375253][ T4985]  __se_sys_mount+0x2d5/0x3c0
[  347.379963][ T4985]  ? __x64_sys_mount+0xc0/0xc0
[  347.384753][ T4985]  ? syscall_enter_from_user_mode+0x2e/0x240
[  347.390763][ T4985]  ? lockdep_hardirqs_on+0x94/0x130
[  347.395996][ T4985]  ? __x64_sys_mount+0x1c/0xc0
[  347.400789][ T4985]  do_syscall_64+0x3b/0xb0
[  347.405224][ T4985]  ? clear_bhb_loop+0x15/0x70
[  347.409923][ T4985]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  347.415831][ T4985] RIP: 0033:0x7efc5382890a
[  347.420272][ T4985] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  347.439902][ T4985] RSP: 002b:00007ffe12103408 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.448339][ T4985] RAX: ffffffffffffffda RBX: 00007ffe12103490 RCX: 00007efc5382890a
[  347.456446][ T4985] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe12103450
[  347.464440][ T4985] RBP: 0000200000000400 R08: 00007ffe12103490 R09: 0000000000000000
[  347.472424][ T4985] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  347.480397][ T4985] R13: 00007ffe12103450 R14: 00000000000125bb R15: 00002000000004c0
[  347.488398][ T4985]  </TASK>
[  347.491456][ T4982] CPU: 0 PID: 4982 Comm: syz.3.489 Not tainted 5.15.179-syzkaller #0
[  347.499546][ T4982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  347.509626][ T4982] Call Trace:
[  347.513024][ T4982]  <TASK>
[  347.516065][ T4982]  dump_stack_lvl+0x1e3/0x2d0
[  347.520768][ T4982]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  347.526427][ T4982]  ? panic+0x860/0x860
[  347.530522][ T4982]  ? sysfs_create_dir_ns+0x282/0x390
[  347.535837][ T4982]  sysfs_create_dir_ns+0x2c6/0x390
[  347.540978][ T4982]  ? sysfs_warn_dup+0xa0/0xa0
[  347.545698][ T4982]  ? do_raw_spin_unlock+0x137/0x8b0
[  347.550918][ T4982]  ? kobject_set_name_vargs+0xca/0x110
[  347.556401][ T4982]  kobject_add_internal+0x6e0/0xe00
[  347.561629][ T4982]  kobject_init_and_add+0x120/0x190
[  347.566853][ T4982]  ? lockdep_softirqs_off+0x420/0x420
[  347.572265][ T4982]  ? widen_string+0x3a/0x310
[  347.577013][ T4982]  ? kobject_add+0x210/0x210
[  347.581637][ T4982]  ? __init_swait_queue_head+0xaa/0x140
[  347.587208][ T4982]  gfs2_sys_fs_add+0x237/0x4a0
[  347.592001][ T4982]  ? gfs2_recover_set+0x240/0x240
[  347.597050][ T4982]  ? snprintf+0xd6/0x120
[  347.601317][ T4982]  ? vscnprintf+0x80/0x80
[  347.605670][ T4982]  ? read_word_at_a_time+0xe/0x20
[  347.610736][ T4982]  ? strscpy+0x89/0x220
[  347.614915][ T4982]  gfs2_fill_super+0x1299/0x2750
[  347.619922][ T4982]  ? gfs2_reconfigure+0xcf0/0xcf0
[  347.624961][ T4982]  ? ptr_to_hashval+0x60/0x60
[  347.629660][ T4982]  ? up_write+0x19d/0x580
[  347.634027][ T4982]  ? set_blocksize+0x1ec/0x370
[  347.638814][ T4982]  get_tree_bdev+0x3fe/0x620
[  347.643425][ T4982]  ? gfs2_reconfigure+0xcf0/0xcf0
[  347.648466][ T4982]  gfs2_get_tree+0x50/0x210
[  347.652986][ T4982]  ? bpf_lsm_capable+0x5/0x10
[  347.657785][ T4982]  vfs_get_tree+0x88/0x270
[  347.662227][ T4982]  do_new_mount+0x2ba/0xb40
[  347.666753][ T4982]  ? do_move_mount_old+0x160/0x160
[  347.671889][ T4982]  ? user_path_at_empty+0x12b/0x180
[  347.677109][ T4982]  __se_sys_mount+0x2d5/0x3c0
[  347.681818][ T4982]  ? __x64_sys_mount+0xc0/0xc0
[  347.686606][ T4982]  ? syscall_enter_from_user_mode+0x2e/0x240
[  347.692604][ T4982]  ? lockdep_hardirqs_on+0x94/0x130
[  347.697824][ T4982]  ? __x64_sys_mount+0x1c/0xc0
[  347.702617][ T4982]  do_syscall_64+0x3b/0xb0
[  347.707052][ T4982]  ? clear_bhb_loop+0x15/0x70
[  347.711745][ T4982]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  347.717652][ T4982] RIP: 0033:0x7feee58fc90a
[  347.722081][ T4982] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  347.741786][ T4982] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  347.750222][ T4982] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  347.758221][ T4982] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  347.766216][ T4982] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  347.774224][ T4982] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  347.782226][ T4982] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  347.790238][ T4982]  </TASK>
[  347.798369][ T4982] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.812165][ T4985] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  347.823969][ T4982] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.832242][ T4985] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  347.862397][ T4983] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  347.886424][ T4983] CPU: 0 PID: 4983 Comm: syz.0.490 Not tainted 5.15.179-syzkaller #0
[  347.894539][ T4983] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  347.904614][ T4983] Call Trace:
[  347.907914][ T4983]  <TASK>
[  347.910866][ T4983]  dump_stack_lvl+0x1e3/0x2d0
[  347.915591][ T4983]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  347.921263][ T4983]  ? panic+0x860/0x860
[  347.925374][ T4983]  ? sysfs_create_dir_ns+0x282/0x390
[  347.930697][ T4983]  sysfs_create_dir_ns+0x2c6/0x390
[  347.935834][ T4983]  ? sysfs_warn_dup+0xa0/0xa0
[  347.940539][ T4983]  ? do_raw_spin_unlock+0x137/0x8b0
[  347.945769][ T4983]  ? kobject_set_name_vargs+0xca/0x110
[  347.951255][ T4983]  kobject_add_internal+0x6e0/0xe00
[  347.956522][ T4983]  kobject_init_and_add+0x120/0x190
[  347.961746][ T4983]  ? lockdep_softirqs_off+0x420/0x420
[  347.967136][ T4983]  ? widen_string+0x3a/0x310
[  347.971758][ T4983]  ? kobject_add+0x210/0x210
[  347.976391][ T4983]  ? __init_swait_queue_head+0xaa/0x140
[  347.982004][ T4983]  gfs2_sys_fs_add+0x237/0x4a0
[  347.986793][ T4983]  ? gfs2_recover_set+0x240/0x240
[  347.991839][ T4983]  ? snprintf+0xd6/0x120
[  347.996103][ T4983]  ? vscnprintf+0x80/0x80
[  348.000458][ T4983]  ? read_word_at_a_time+0xe/0x20
[  348.005498][ T4983]  ? strscpy+0x89/0x220
[  348.009676][ T4983]  gfs2_fill_super+0x1299/0x2750
[  348.014651][ T4983]  ? gfs2_reconfigure+0xcf0/0xcf0
[  348.019717][ T4983]  ? ptr_to_hashval+0x60/0x60
[  348.024421][ T4983]  ? up_write+0x19d/0x580
[  348.028792][ T4983]  ? set_blocksize+0x1ec/0x370
[  348.033592][ T4983]  get_tree_bdev+0x3fe/0x620
[  348.038205][ T4983]  ? gfs2_reconfigure+0xcf0/0xcf0
[  348.043255][ T4983]  gfs2_get_tree+0x50/0x210
[  348.047779][ T4983]  ? bpf_lsm_capable+0x5/0x10
[  348.052482][ T4983]  vfs_get_tree+0x88/0x270
[  348.056924][ T4983]  do_new_mount+0x2ba/0xb40
[  348.061458][ T4983]  ? do_move_mount_old+0x160/0x160
[  348.066596][ T4983]  ? user_path_at_empty+0x12b/0x180
[  348.071826][ T4983]  __se_sys_mount+0x2d5/0x3c0
[  348.076532][ T4983]  ? __x64_sys_mount+0xc0/0xc0
[  348.081320][ T4983]  ? syscall_enter_from_user_mode+0x2e/0x240
[  348.087322][ T4983]  ? lockdep_hardirqs_on+0x94/0x130
[  348.092552][ T4983]  ? __x64_sys_mount+0x1c/0xc0
[  348.097337][ T4983]  do_syscall_64+0x3b/0xb0
[  348.101774][ T4983]  ? clear_bhb_loop+0x15/0x70
[  348.106471][ T4983]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  348.112390][ T4983] RIP: 0033:0x7f7799cf090a
[  348.116838][ T4983] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  348.136471][ T4983] RSP: 002b:00007ffcc600d9b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  348.144916][ T4983] RAX: ffffffffffffffda RBX: 00007ffcc600da40 RCX: 00007f7799cf090a
[  348.152910][ T4983] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcc600da00
[  348.160904][ T4983] RBP: 0000200000000400 R08: 00007ffcc600da40 R09: 0000000000000000
[  348.168931][ T4983] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  348.176922][ T4983] R13: 00007ffcc600da00 R14: 00000000000125bb R15: 00002000000004c0
[  348.184946][ T4983]  </TASK>
[  348.185551][ T4986] loop1: detected capacity change from 0 to 32768
[  348.206645][ T4983] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  348.228920][ T4983] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  348.297555][ T4986] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  348.319701][ T4986] CPU: 1 PID: 4986 Comm: syz.1.493 Not tainted 5.15.179-syzkaller #0
[  348.327947][ T4986] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  348.338022][ T4986] Call Trace:
[  348.341320][ T4986]  <TASK>
[  348.344274][ T4986]  dump_stack_lvl+0x1e3/0x2d0
[  348.348985][ T4986]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  348.354648][ T4986]  ? panic+0x860/0x860
[  348.358742][ T4986]  ? sysfs_create_dir_ns+0x282/0x390
[  348.364053][ T4986]  sysfs_create_dir_ns+0x2c6/0x390
[  348.369185][ T4986]  ? sysfs_warn_dup+0xa0/0xa0
[  348.373880][ T4986]  ? do_raw_spin_unlock+0x137/0x8b0
[  348.379115][ T4986]  ? kobject_set_name_vargs+0xca/0x110
[  348.384596][ T4986]  kobject_add_internal+0x6e0/0xe00
[  348.389816][ T4986]  kobject_init_and_add+0x120/0x190
[  348.395027][ T4986]  ? lockdep_softirqs_off+0x420/0x420
[  348.400416][ T4986]  ? widen_string+0x3a/0x310
[  348.405020][ T4986]  ? kobject_add+0x210/0x210
[  348.409631][ T4986]  ? __init_swait_queue_head+0xaa/0x140
[  348.415228][ T4986]  gfs2_sys_fs_add+0x237/0x4a0
[  348.420007][ T4986]  ? gfs2_recover_set+0x240/0x240
[  348.425040][ T4986]  ? snprintf+0xd6/0x120
[  348.429302][ T4986]  ? vscnprintf+0x80/0x80
[  348.433672][ T4986]  ? read_word_at_a_time+0xe/0x20
[  348.438710][ T4986]  ? strscpy+0x89/0x220
[  348.442891][ T4986]  gfs2_fill_super+0x1299/0x2750
[  348.447863][ T4986]  ? gfs2_reconfigure+0xcf0/0xcf0
[  348.452904][ T4986]  ? ptr_to_hashval+0x60/0x60
[  348.457599][ T4986]  ? up_write+0x19d/0x580
[  348.461968][ T4986]  ? set_blocksize+0x1ec/0x370
[  348.466782][ T4986]  get_tree_bdev+0x3fe/0x620
[  348.471406][ T4986]  ? gfs2_reconfigure+0xcf0/0xcf0
[  348.476458][ T4986]  gfs2_get_tree+0x50/0x210
[  348.480981][ T4986]  ? bpf_lsm_capable+0x5/0x10
[  348.485676][ T4986]  vfs_get_tree+0x88/0x270
[  348.490210][ T4986]  do_new_mount+0x2ba/0xb40
[  348.494735][ T4986]  ? do_move_mount_old+0x160/0x160
[  348.499877][ T4986]  ? user_path_at_empty+0x12b/0x180
[  348.505096][ T4986]  __se_sys_mount+0x2d5/0x3c0
[  348.509800][ T4986]  ? __x64_sys_mount+0xc0/0xc0
[  348.514589][ T4986]  ? syscall_enter_from_user_mode+0x2e/0x240
[  348.520602][ T4986]  ? lockdep_hardirqs_on+0x94/0x130
[  348.525839][ T4986]  ? __x64_sys_mount+0x1c/0xc0
[  348.530631][ T4986]  do_syscall_64+0x3b/0xb0
[  348.535070][ T4986]  ? clear_bhb_loop+0x15/0x70
[  348.539777][ T4986]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  348.545696][ T4986] RIP: 0033:0x7fb544ab190a
[  348.550139][ T4986] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  348.569775][ T4986] RSP: 002b:00007ffc5cf418a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  348.578218][ T4986] RAX: ffffffffffffffda RBX: 00007ffc5cf41930 RCX: 00007fb544ab190a
[  348.586219][ T4986] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffc5cf418f0
[  348.594210][ T4986] RBP: 0000200000000400 R08: 00007ffc5cf41930 R09: 0000000000000000
[  348.602366][ T4986] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  348.610368][ T4986] R13: 00007ffc5cf418f0 R14: 00000000000125bb R15: 00002000000004c0
[  348.618379][ T4986]  </TASK>
[  348.648864][ T4986] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  348.682305][   T27] INFO: task syz.2.204:4671 blocked for more than 143 seconds.
[  348.690142][   T27]       Not tainted 5.15.179-syzkaller #0
[  348.756666][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  348.795383][   T27] task:syz.2.204       state:D stack:23712 pid: 4671 ppid:  4275 flags:0x00004004
[  348.829770][   T27] Call Trace:
[  348.849099][   T27]  <TASK>
[  348.861386][   T27]  __schedule+0x12c4/0x45b0
[  348.876522][   T27]  ? __lock_acquire+0x1295/0x1ff0
[  348.888896][   T27]  ? release_firmware_map_entry+0x190/0x190
[  348.903935][   T27]  schedule+0x11b/0x1f0
[  348.919574][   T27]  schedule_timeout+0xac/0x300
[  348.930146][   T27]  ? console_conditional_schedule+0x40/0x40
[  348.950136][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  348.968266][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  349.019892][   T27]  ? _raw_spin_unlock_irq+0x1f/0x40
[  349.046360][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  349.051635][   T27]  do_wait_for_common+0x2d9/0x480
[  349.097972][   T27]  ? console_conditional_schedule+0x40/0x40
[  349.117870][   T27]  ? wait_for_completion_killable_timeout+0x60/0x60
[  349.145095][   T27]  ? _raw_spin_lock_irq+0xdb/0x110
[  349.150281][   T27]  wait_for_completion+0x48/0x60
[  349.189042][   T27]  kthread_stop+0x178/0x580
[  349.202232][   T27]  gfs2_make_fs_ro+0x14d/0x5f0
[  349.222428][   T27]  ? gfs2_dinode_out+0xaf0/0xaf0
[  349.237668][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  349.247801][   T27]  ? gfs2_glock_is_locked_by_me+0x16f/0x190
[  349.272193][   T27]  gfs2_withdraw+0x5fb/0x14e0
[  349.272261][ T4986] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  349.287157][   T27]  ? gfs2_lm+0x206/0x230
[  349.297284][   T27]  ? gfs2_lm+0x230/0x230
[  349.301571][   T27]  ? gfs2_meta_ra+0x559/0x5f0
[  349.326763][   T27]  ? gfs2_meta_buffer+0x410/0x410
[  349.330587][ T4987] loop3: detected capacity change from 0 to 32768
[  349.342212][   T27]  gfs2_metatype_check_ii+0x75/0x90
[  349.351143][ T4989] loop5: detected capacity change from 0 to 32768
[  349.362211][   T27]  gfs2_quota_init+0xe06/0x1110
[  349.367128][   T27]  ? qd_get+0x5c0/0x5c0
[  349.391813][   T27]  ? gfs2_end_log_write+0x800/0x800
[  349.398837][   T27]  ? inode_go_inval+0x25c/0x2c0
[  349.420217][   T27]  gfs2_make_fs_rw+0x436/0x5b0
[  349.425437][   T27]  ? gfs2_jdesc_check+0x290/0x290
[  349.438967][   T27]  ? gfs2_glock_wait+0x137/0x1c0
[  349.452179][   T27]  gfs2_fill_super+0x23e8/0x2750
[  349.457359][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  349.462486][   T27]  ? ptr_to_hashval+0x60/0x60
[  349.477686][   T27]  ? gfs2_glock_nq_num+0x123/0x270
[  349.482979][   T27]  ? gfs2_freeze_lock+0x52/0xc0
[  349.497117][   T27]  ? set_blocksize+0x1ec/0x370
[  349.512194][   T27]  get_tree_bdev+0x3fe/0x620
[  349.517022][   T27]  ? gfs2_reconfigure+0xcf0/0xcf0
[  349.527178][   T27]  gfs2_get_tree+0x50/0x210
[  349.531821][   T27]  ? bpf_lsm_capable+0x5/0x10
[  349.547438][   T27]  vfs_get_tree+0x88/0x270
[  349.552012][   T27]  do_new_mount+0x2ba/0xb40
[  349.567061][   T27]  ? do_move_mount_old+0x160/0x160
[  349.581020][ T4988] loop4: detected capacity change from 0 to 32768
[  349.582152][   T27]  ? user_path_at_empty+0x12b/0x180
[  349.592940][   T27]  __se_sys_mount+0x2d5/0x3c0
[  349.597659][   T27]  ? __x64_sys_mount+0xc0/0xc0
[  349.604490][   T27]  ? syscall_enter_from_user_mode+0x2e/0x240
[  349.610525][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  349.619511][   T27]  ? __x64_sys_mount+0x1c/0xc0
[  349.627842][   T27]  do_syscall_64+0x3b/0xb0
[  349.637495][   T27]  ? clear_bhb_loop+0x15/0x70
[  349.648606][   T27]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  349.658123][   T27] RIP: 0033:0x7f10febf390a
[  349.666202][   T27] RSP: 002b:00007ffd46f3baf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  349.678346][   T27] RAX: ffffffffffffffda RBX: 00007ffd46f3bb80 RCX: 00007f10febf390a
[  349.690272][   T27] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffd46f3bb40
[  349.690503][ T4990] loop0: detected capacity change from 0 to 32768
[  349.706396][   T27] RBP: 0000200000000400 R08: 00007ffd46f3bb80 R09: 0000000000000000
[  349.715015][   T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  349.724660][   T27] R13: 00007ffd46f3bb40 R14: 00000000000125bb R15: 00002000000004c0
[  349.733065][   T27]  </TASK>
[  349.736418][   T27] INFO: task gfs2_quotad:4676 blocked for more than 144 seconds.
[  349.744623][   T27]       Not tainted 5.15.179-syzkaller #0
[  349.750493][   T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[  349.760017][   T27] task:gfs2_quotad     state:D stack:26648 pid: 4676 ppid:     2 flags:0x00004000
[  349.769769][   T27] Call Trace:
[  349.773703][   T27]  <TASK>
[  349.776936][   T27]  __schedule+0x12c4/0x45b0
[  349.781510][ T4987] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.789223][ T4988] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.805335][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  349.805489][ T4990] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  349.811369][   T27]  ? release_firmware_map_entry+0x190/0x190
[  349.822980][ T4988] CPU: 0 PID: 4988 Comm: syz.4.495 Not tainted 5.15.179-syzkaller #0
[  349.830196][   T27]  ? do_raw_spin_unlock+0x137/0x8b0
[  349.832769][ T4988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  349.832786][ T4988] Call Trace:
[  349.832793][ T4988]  <TASK>
[  349.832802][ T4988]  dump_stack_lvl+0x1e3/0x2d0
[  349.832832][ T4988]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  349.832858][ T4988]  ? panic+0x860/0x860
[  349.839229][   T27]  ? lockdep_hardirqs_on+0x94/0x130
[  349.848091][ T4988]  ? sysfs_create_dir_ns+0x282/0x390
[  349.848125][ T4988]  sysfs_create_dir_ns+0x2c6/0x390
[  349.848153][ T4988]  ? sysfs_warn_dup+0xa0/0xa0
[  349.848178][ T4988]  ? do_raw_spin_unlock+0x137/0x8b0
[  349.848203][ T4988]  ? kobject_set_name_vargs+0xca/0x110
[  349.848230][ T4988]  kobject_add_internal+0x6e0/0xe00
[  349.848261][ T4988]  kobject_init_and_add+0x120/0x190
[  349.865850][   T27]  ? _raw_spin_unlock_irqrestore+0xd9/0x130
[  349.868786][ T4988]  ? lockdep_softirqs_off+0x420/0x420
[  349.884816][   T27]  schedule+0x11b/0x1f0
[  349.889028][ T4988]  ? widen_string+0x3a/0x310
[  349.907371][   T27]  bit_wait+0xe/0xc0
[  349.910020][ T4988]  ? kobject_add+0x210/0x210
[  349.926851][   T27]  __wait_on_bit+0xb9/0x180
[  349.929962][ T4988]  ? __init_swait_queue_head+0xaa/0x140
[  349.944531][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  349.948465][ T4988]  gfs2_sys_fs_add+0x237/0x4a0
[  349.948507][ T4988]  ? gfs2_recover_set+0x240/0x240
[  349.962264][   T27]  out_of_line_wait_on_bit+0x1d0/0x250
[  349.964338][ T4988]  ? snprintf+0xd6/0x120
[  349.974053][ T4988]  ? vscnprintf+0x80/0x80
[  349.978410][ T4988]  ? read_word_at_a_time+0xe/0x20
[  349.980260][   T27]  ? out_of_line_wait_on_bit_lock+0x250/0x250
[  349.983438][ T4988]  ? strscpy+0x89/0x220
[  349.983465][ T4988]  gfs2_fill_super+0x1299/0x2750
[  349.983511][ T4988]  ? gfs2_reconfigure+0xcf0/0xcf0
[  349.983534][ T4988]  ? ptr_to_hashval+0x60/0x60
[  349.983560][ T4988]  ? up_write+0x19d/0x580
[  349.990050][   T27]  ? __wait_on_bit+0x180/0x180
[  349.993772][ T4988]  ? set_blocksize+0x1ec/0x370
[  349.993810][ T4988]  get_tree_bdev+0x3fe/0x620
[  349.993833][ T4988]  ? gfs2_reconfigure+0xcf0/0xcf0
[  349.993860][ T4988]  gfs2_get_tree+0x50/0x210
[  349.993880][ T4988]  ? bpf_lsm_capable+0x5/0x10
[  350.011420][   T27]  ? bit_waitqueue+0x30/0x30
[  350.012826][ T4988]  vfs_get_tree+0x88/0x270
[  350.012857][ T4988]  do_new_mount+0x2ba/0xb40
[  350.012885][ T4988]  ? do_move_mount_old+0x160/0x160
[  350.012912][ T4988]  ? user_path_at_empty+0x12b/0x180
[  350.012937][ T4988]  __se_sys_mount+0x2d5/0x3c0
[  350.018874][   T27]  __gfs2_glock_dq+0x699/0x9e0
[  350.022449][ T4988]  ? __x64_sys_mount+0xc0/0xc0
[  350.022476][ T4988]  ? syscall_enter_from_user_mode+0x2e/0x240
[  350.022507][ T4988]  ? lockdep_hardirqs_on+0x94/0x130
[  350.022533][ T4988]  ? __x64_sys_mount+0x1c/0xc0
[  350.022558][ T4988]  do_syscall_64+0x3b/0xb0
[  350.028171][   T27]  gfs2_glock_dq_uninit+0x51/0x110
[  350.032159][ T4988]  ? clear_bhb_loop+0x15/0x70
[  350.032188][ T4988]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  350.032211][ T4988] RIP: 0033:0x7efc5382890a
[  350.032233][ T4988] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  350.032254][ T4988] RSP: 002b:00007ffe12103408 EFLAGS: 00000246
[  350.042246][   T27]  gfs2_statfs_sync+0x7d5/0x860
[  350.046060][ T4988]  ORIG_RAX: 00000000000000a5
[  350.060838][   T27]  ? update_statfs+0x350/0x350
[  350.065231][ T4988] RAX: ffffffffffffffda RBX: 00007ffe12103490 RCX: 00007efc5382890a
[  350.065251][ T4988] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffe12103450
[  350.065267][ T4988] RBP: 0000200000000400 R08: 00007ffe12103490 R09: 0000000000000000
[  350.065283][ T4988] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  350.065299][ T4988] R13: 00007ffe12103450 R14: 00000000000125bb R15: 00002000000004c0
[  350.065330][ T4988]  </TASK>
[  350.076537][ T4990] CPU: 0 PID: 4990 Comm: syz.0.497 Not tainted 5.15.179-syzkaller #0
[  350.101136][   T27]  ? gfs2_statfs_sync+0x150/0x860
[  350.105104][ T4990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  350.105121][ T4990] Call Trace:
[  350.105130][ T4990]  <TASK>
[  350.105140][ T4990]  dump_stack_lvl+0x1e3/0x2d0
[  350.105170][ T4990]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  350.105196][ T4990]  ? panic+0x860/0x860
[  350.113532][   T27]  ? lockdep_hardirqs_on_prepare+0x438/0x7a0
[  350.115754][ T4990]  ? sysfs_create_dir_ns+0x282/0x390
[  350.120185][   T27]  gfs2_quotad+0x3a8/0x900
[  350.139784][ T4990]  sysfs_create_dir_ns+0x2c6/0x390
[  350.139815][ T4990]  ? sysfs_warn_dup+0xa0/0xa0
[  350.139838][ T4990]  ? do_raw_spin_unlock+0x137/0x8b0
[  350.139863][ T4990]  ? kobject_set_name_vargs+0xca/0x110
[  350.139890][ T4990]  kobject_add_internal+0x6e0/0xe00
[  350.139919][ T4990]  kobject_init_and_add+0x120/0x190
[  350.182186][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  350.184185][ T4990]  ? lockdep_softirqs_off+0x420/0x420
[  350.212234][   T27]  ? init_wait_entry+0xd0/0xd0
[  350.216160][ T4990]  ? widen_string+0x3a/0x310
[  350.216192][ T4990]  ? kobject_add+0x210/0x210
[  350.216220][ T4990]  ? __init_swait_queue_head+0xaa/0x140
[  350.216244][ T4990]  gfs2_sys_fs_add+0x237/0x4a0
[  350.216274][ T4990]  ? gfs2_recover_set+0x240/0x240
[  350.216296][ T4990]  ? snprintf+0xd6/0x120
[  350.216324][ T4990]  ? vscnprintf+0x80/0x80
[  350.216371][ T4990]  ? read_word_at_a_time+0xe/0x20
[  350.216395][ T4990]  ? strscpy+0x89/0x220
[  350.216422][ T4990]  gfs2_fill_super+0x1299/0x2750
[  350.216462][ T4990]  ? gfs2_reconfigure+0xcf0/0xcf0
[  350.216485][ T4990]  ? ptr_to_hashval+0x60/0x60
[  350.216512][ T4990]  ? up_write+0x19d/0x580
[  350.216555][ T4990]  ? set_blocksize+0x1ec/0x370
[  350.216591][ T4990]  get_tree_bdev+0x3fe/0x620
[  350.216617][ T4990]  ? gfs2_reconfigure+0xcf0/0xcf0
[  350.216643][ T4990]  gfs2_get_tree+0x50/0x210
[  350.216666][ T4990]  ? bpf_lsm_capable+0x5/0x10
[  350.216695][ T4990]  vfs_get_tree+0x88/0x270
[  350.216720][ T4990]  do_new_mount+0x2ba/0xb40
[  350.216750][ T4990]  ? do_move_mount_old+0x160/0x160
[  350.216778][ T4990]  ? user_path_at_empty+0x12b/0x180
[  350.216803][ T4990]  __se_sys_mount+0x2d5/0x3c0
[  350.216832][ T4990]  ? __x64_sys_mount+0xc0/0xc0
[  350.216856][ T4990]  ? syscall_enter_from_user_mode+0x2e/0x240
[  350.216880][ T4990]  ? lockdep_hardirqs_on+0x94/0x130
[  350.216908][ T4990]  ? __x64_sys_mount+0x1c/0xc0
[  350.216933][ T4990]  do_syscall_64+0x3b/0xb0
[  350.216956][ T4990]  ? clear_bhb_loop+0x15/0x70
[  350.216981][ T4990]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  350.217004][ T4990] RIP: 0033:0x7f7799cf090a
[  350.242210][   T27]  kthread+0x3f6/0x4f0
[  350.243526][ T4990] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  350.243549][ T4990] RSP: 002b:00007ffcc600d9b8 EFLAGS: 00000246
[  350.247603][   T27]  ? gfs2_wake_up_statfs+0xc0/0xc0
[  350.253563][ T4990]  ORIG_RAX: 00000000000000a5
[  350.253575][ T4990] RAX: ffffffffffffffda RBX: 00007ffcc600da40 RCX: 00007f7799cf090a
[  350.253593][ T4990] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffcc600da00
[  350.253609][ T4990] RBP: 0000200000000400 R08: 00007ffcc600da40 R09: 0000000000000000
[  350.253625][ T4990] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  350.253640][ T4990] R13: 00007ffcc600da00 R14: 00000000000125bb R15: 00002000000004c0
[  350.253672][ T4990]  </TASK>
[  350.269270][   T27]  ? kthread_blkcg+0xd0/0xd0
[  350.284895][ T4990] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.290483][ T4987] CPU: 1 PID: 4987 Comm: syz.3.494 Not tainted 5.15.179-syzkaller #0
[  350.294879][ T4990] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.299554][ T4987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  350.305187][ T4988] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.309658][ T4987] Call Trace:
[  350.309668][ T4987]  <TASK>
[  350.314272][ T4988] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.318806][ T4987]  dump_stack_lvl+0x1e3/0x2d0
[  350.318840][ T4987]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  350.318864][ T4987]  ? panic+0x860/0x860
[  350.318889][ T4987]  ? sysfs_create_dir_ns+0x282/0x390
[  350.318920][ T4987]  sysfs_create_dir_ns+0x2c6/0x390
[  350.318948][ T4987]  ? sysfs_warn_dup+0xa0/0xa0
[  350.318974][ T4987]  ? do_raw_spin_unlock+0x137/0x8b0
[  350.319000][ T4987]  ? kobject_set_name_vargs+0xca/0x110
[  350.319029][ T4987]  kobject_add_internal+0x6e0/0xe00
[  350.319072][ T4987]  kobject_init_and_add+0x120/0x190
[  350.319094][ T4987]  ? lockdep_softirqs_off+0x420/0x420
[  350.319115][ T4987]  ? widen_string+0x3a/0x310
[  350.319141][ T4987]  ? kobject_add+0x210/0x210
[  350.319169][ T4987]  ? __init_swait_queue_head+0xaa/0x140
[  350.319195][ T4987]  gfs2_sys_fs_add+0x237/0x4a0
[  350.319220][ T4987]  ? gfs2_recover_set+0x240/0x240
[  350.319244][ T4987]  ? snprintf+0xd6/0x120
[  350.319272][ T4987]  ? vscnprintf+0x80/0x80
[  350.325197][   T27]  ret_from_fork+0x1f/0x30
[  350.329542][ T4987]  ? read_word_at_a_time+0xe/0x20
[  350.334605][   T27]  </TASK>
[  350.338773][ T4987]  ? strscpy+0x89/0x220
[  350.338801][ T4987]  gfs2_fill_super+0x1299/0x2750
[  350.343463][   T27] 
[  350.343463][   T27] Showing all locks held in the system:
[  350.348142][ T4987]  ? gfs2_reconfigure+0xcf0/0xcf0
[  350.352295][   T27] 1 lock held by khungtaskd/27:
[  350.357183][ T4987]  ? ptr_to_hashval+0x60/0x60
[  350.357213][ T4987]  ? up_write+0x19d/0x580
[  350.362311][   T27]  #0: 
[  350.366899][ T4987]  ? set_blocksize+0x1ec/0x370
[  350.371413][   T27] ffffffff8cb1f4e0
[  350.375945][ T4987]  get_tree_bdev+0x3fe/0x620
[  350.375973][ T4987]  ? gfs2_reconfigure+0xcf0/0xcf0
[  350.380618][   T27]  (
[  350.385562][ T4987]  gfs2_get_tree+0x50/0x210
[  350.385587][ T4987]  ? bpf_lsm_capable+0x5/0x10
[  350.390067][   T27] rcu_read_lock
[  350.394731][ T4987]  vfs_get_tree+0x88/0x270
[  350.394759][ T4987]  do_new_mount+0x2ba/0xb40
[  350.394787][ T4987]  ? do_move_mount_old+0x160/0x160
[  350.394825][ T4987]  ? user_path_at_empty+0x12b/0x180
[  350.394848][ T4987]  __se_sys_mount+0x2d5/0x3c0
[  350.394894][ T4987]  ? __x64_sys_mount+0xc0/0xc0
[  350.394931][ T4987]  ? syscall_enter_from_user_mode+0x2e/0x240
[  350.394954][ T4987]  ? lockdep_hardirqs_on+0x94/0x130
[  350.394981][ T4987]  ? __x64_sys_mount+0x1c/0xc0
[  350.402307][   T27] ){....}-{1:2}
[  350.403872][ T4987]  do_syscall_64+0x3b/0xb0
[  350.408980][   T27] , at: rcu_lock_acquire+0x0/0x30
[  350.414167][ T4987]  ? clear_bhb_loop+0x15/0x70
[  350.414197][ T4987]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  350.414219][ T4987] RIP: 0033:0x7feee58fc90a
[  350.414241][ T4987] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  350.414260][ T4987] RSP: 002b:00007fff9436aa98 EFLAGS: 00000246
[  350.419620][   T27] 1 lock held by udevd/3546:
[  350.423680][ T4987]  ORIG_RAX: 00000000000000a5
[  350.423693][ T4987] RAX: ffffffffffffffda RBX: 00007fff9436ab20 RCX: 00007feee58fc90a
[  350.423710][ T4987] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007fff9436aae0
[  350.423728][ T4987] RBP: 0000200000000400 R08: 00007fff9436ab20 R09: 0000000000000000
[  350.429792][   T27]  #0: 
[  350.434862][ T4987] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  350.434880][ T4987] R13: 00007fff9436aae0 R14: 00000000000125bb R15: 00002000000004c0
[  350.434915][ T4987]  </TASK>
[  350.439636][   T27] ffff888021055918
[  350.447585][ T4987] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.459376][   T27]  (
[  350.474970][ T4987] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.494122][   T27] &disk->open_mutex
[  350.495250][ T4989] sysfs: cannot create duplicate filename '/fs/gfs2/syz:syz'
[  350.499467][   T27] ){+.+.}-{3:3}, at: blkdev_get_by_dev+0x14d/0xa50
[  350.508907][ T4989] CPU: 1 PID: 4989 Comm: syz.5.496 Not tainted 5.15.179-syzkaller #0
[  350.527929][   T27] 2 locks held by getty/3929:
[  350.531437][ T4989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  350.539446][   T27]  #0: 
[  350.542415][ T4989] Call Trace:
[  350.542425][ T4989]  <TASK>
[  350.542436][ T4989]  dump_stack_lvl+0x1e3/0x2d0
[  350.547010][   T27] ffff88802c932098
[  350.560201][ T4989]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  350.577693][   T27]  (
[  350.584819][ T4989]  ? panic+0x860/0x860
[  350.584860][ T4989]  ? sysfs_create_dir_ns+0x282/0x390
[  350.598020][   T27] &tty->ldisc_sem
[  350.601261][ T4989]  sysfs_create_dir_ns+0x2c6/0x390
[  350.604205][   T27] ){++++}-{0:0}
[  350.610757][ T4989]  ? sysfs_warn_dup+0xa0/0xa0
[  350.627223][   T27] , at: tty_ldisc_ref_wait+0x21/0x70
[  350.630353][ T4989]  ? do_raw_spin_unlock+0x137/0x8b0
[  350.635492][   T27]  #1: 
[  350.640115][ T4989]  ? kobject_set_name_vargs+0xca/0x110
[  350.640145][ T4989]  kobject_add_internal+0x6e0/0xe00
[  350.645442][   T27] ffffc900025c62e8
[  350.650809][ T4989]  kobject_init_and_add+0x120/0x190
[  350.656079][   T27]  (
[  350.661159][ T4989]  ? lockdep_softirqs_off+0x420/0x420
[  350.674079][   T27] &ldata->atomic_read_lock
[  350.675670][ T4989]  ? widen_string+0x3a/0x310
[  350.681316][   T27] ){+.+.}-{3:3}
[  350.685975][ T4989]  ? kobject_add+0x210/0x210
[  350.686006][ T4989]  ? __init_swait_queue_head+0xaa/0x140
[  350.691000][   T27] , at: n_tty_read+0x6af/0x1db0
[  350.695227][ T4989]  gfs2_sys_fs_add+0x237/0x4a0
[  350.695255][ T4989]  ? gfs2_recover_set+0x240/0x240
[  350.699654][   T27] 1 lock held by syz.2.204/4671:
[  350.703974][ T4989]  ? snprintf+0xd6/0x120
[  350.704007][ T4989]  ? vscnprintf+0x80/0x80
[  350.709003][   T27]  #0: 
[  350.712102][ T4989]  ? read_word_at_a_time+0xe/0x20
[  350.712127][ T4989]  ? strscpy+0x89/0x220
[  350.712152][ T4989]  gfs2_fill_super+0x1299/0x2750
[  350.712203][ T4989]  ? gfs2_reconfigure+0xcf0/0xcf0
[  350.712226][ T4989]  ? ptr_to_hashval+0x60/0x60
[  350.712250][ T4989]  ? up_write+0x19d/0x580
[  350.712303][ T4989]  ? set_blocksize+0x1ec/0x370
[  350.712333][ T4989]  get_tree_bdev+0x3fe/0x620
[  350.712357][ T4989]  ? gfs2_reconfigure+0xcf0/0xcf0
[  350.712397][ T4989]  gfs2_get_tree+0x50/0x210
[  350.712418][ T4989]  ? bpf_lsm_capable+0x5/0x10
[  350.712444][ T4989]  vfs_get_tree+0x88/0x270
[  350.712468][ T4989]  do_new_mount+0x2ba/0xb40
[  350.712495][ T4989]  ? do_move_mount_old+0x160/0x160
[  350.712520][ T4989]  ? user_path_at_empty+0x12b/0x180
[  350.712542][ T4989]  __se_sys_mount+0x2d5/0x3c0
[  350.737049][   T27] ffff88805b5540e0
[  350.739153][ T4989]  ? __x64_sys_mount+0xc0/0xc0
[  350.744259][   T27]  (
[  350.748118][ T4989]  ? syscall_enter_from_user_mode+0x2e/0x240
[  350.750862][   T27] &type->s_umount_key
[  350.755603][ T4989]  ? lockdep_hardirqs_on+0x94/0x130
[  350.755632][ T4989]  ? __x64_sys_mount+0x1c/0xc0
[  350.755657][ T4989]  do_syscall_64+0x3b/0xb0
[  350.760493][   T27] #53
[  350.763949][ T4989]  ? clear_bhb_loop+0x15/0x70
[  350.763978][ T4989]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  350.764002][ T4989] RIP: 0033:0x7f7668d4490a
[  350.764023][ T4989] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
[  350.764042][ T4989] RSP: 002b:00007ffdab1b99a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
[  350.764067][ T4989] RAX: ffffffffffffffda RBX: 00007ffdab1b9a30 RCX: 00007f7668d4490a
[  350.764084][ T4989] RDX: 0000200000000400 RSI: 0000200000012500 RDI: 00007ffdab1b99f0
[  350.764100][ T4989] RBP: 0000200000000400 R08: 00007ffdab1b9a30 R09: 0000000000000000
[  350.764115][ T4989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000200000012500
[  350.764130][ T4989] R13: 00007ffdab1b99f0 R14: 00000000000125bb R15: 00002000000004c0
[  350.764162][ T4989]  </TASK>
[  350.786684][ T4989] kobject_add_internal failed for syz:syz with -EEXIST, don't try to register things with the same name in the same directory.
[  350.792782][   T27] /1
[  350.803392][ T4989] gfs2: fsid=syz:syz: error -17 adding sysfs files
[  350.804339][   T27] ){+.+.}-{3:3}, at: alloc_super+0x210/0x940
[  351.380122][   T27] 1 lock held by syz.1.493/4986:
[  351.385344][   T27]  #0: ffff88814776f468 (&lo->lo_mutex){+.+.}-{3:3}, at: __loop_clr_fd+0xa9/0xbe0
[  351.394831][   T27] 2 locks held by syz.3.494/4987:
[  351.399891][   T27]  #0: ffff88802103e118 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  351.409350][   T27]  #1: ffff888147775468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  351.418406][   T27] 2 locks held by syz.4.495/4988:
[  351.423794][   T27]  #0: ffff88802103fd18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  351.433698][   T27]  #1: ffff8880210a0468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  351.443485][   T27] 2 locks held by syz.5.496/4989:
[  351.448551][   T27]  #0: ffff888021055918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  351.458106][   T27]  #1: ffff8880210a3468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  351.467245][   T27] 2 locks held by syz.0.497/4990:
[  351.472404][   T27]  #0: ffff8880207a4d18 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0xfb/0x790
[  351.481765][   T27]  #1: ffff88814776c468 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0
[  351.491275][   T27] 
[  351.493990][   T27] =============================================
[  351.493990][   T27] 
[  351.503027][   T27] NMI backtrace for cpu 0
[  351.507362][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  351.515429][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  351.525496][   T27] Call Trace:
[  351.528782][   T27]  <TASK>
[  351.531706][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  351.536396][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  351.542057][   T27]  ? panic+0x860/0x860
[  351.546153][   T27]  ? nmi_cpu_backtrace+0x23b/0x4a0
[  351.551294][   T27]  nmi_cpu_backtrace+0x46a/0x4a0
[  351.556252][   T27]  ? __wake_up_klogd+0xd5/0x100
[  351.561105][   T27]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  351.567255][   T27]  ? _printk+0xd1/0x120
[  351.571410][   T27]  ? panic+0x860/0x860
[  351.575483][   T27]  ? __wake_up_klogd+0xcc/0x100
[  351.580347][   T27]  ? panic+0x860/0x860
[  351.584414][   T27]  ? __rcu_read_unlock+0x92/0x100
[  351.589455][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  351.595523][   T27]  nmi_trigger_cpumask_backtrace+0x181/0x2a0
[  351.601537][   T27]  watchdog+0xe72/0xeb0
[  351.605709][   T27]  kthread+0x3f6/0x4f0
[  351.609789][   T27]  ? hungtask_pm_notify+0x50/0x50
[  351.614814][   T27]  ? kthread_blkcg+0xd0/0xd0
[  351.619424][   T27]  ret_from_fork+0x1f/0x30
[  351.623872][   T27]  </TASK>
[  351.627652][   T27] Sending NMI from CPU 0 to CPUs 1:
[  351.633247][    C1] NMI backtrace for cpu 1
[  351.633259][    C1] CPU: 1 PID: 4986 Comm: syz.1.493 Not tainted 5.15.179-syzkaller #0
[  351.633276][    C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  351.633286][    C1] RIP: 0010:_raw_spin_lock_irq+0xca/0x110
[  351.633308][    C1] Code: 00 00 74 05 e8 67 82 3d f7 bf 01 00 00 00 e8 cd 00 0e f7 49 8d 7c 24 18 31 f6 31 d2 31 c9 41 b8 01 00 00 00 45 31 c9 ff 75 08 <e8> b1 43 19 f7 48 83 c4 08 4c 89 e7 e8 c5 b8 1a f7 48 c7 04 24 0e
[  351.633322][    C1] RSP: 0018:ffffc90006497418 EFLAGS: 00000046
[  351.633336][    C1] RAX: 1ffff11004f6429d RBX: 1ffff92000c92e88 RCX: 0000000000000000
[  351.633348][    C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88806f58f360
[  351.633358][    C1] RBP: ffffc900064974a8 R08: 0000000000000001 R09: 0000000000000000
[  351.633368][    C1] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88806f58f348
[  351.633378][    C1] R13: 1ffff92000c92e84 R14: ffffc90006497440 R15: dffffc0000000000
[  351.633390][    C1] FS:  0000555558188500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
[  351.633404][    C1] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  351.633416][    C1] CR2: 000055555abdd5c8 CR3: 0000000078761000 CR4: 00000000003506e0
[  351.633430][    C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  351.633439][    C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  351.633449][    C1] Call Trace:
[  351.633454][    C1]  <NMI>
[  351.633459][    C1]  ? nmi_cpu_backtrace+0x39f/0x4a0
[  351.633477][    C1]  ? read_lock_is_recursive+0x10/0x10
[  351.633495][    C1]  ? nmi_trigger_cpumask_backtrace+0x2a0/0x2a0
[  351.633511][    C1]  ? unknown_nmi_error+0xd0/0xd0
[  351.633534][    C1]  ? nmi_cpu_backtrace_handler+0x8/0x10
[  351.633552][    C1]  ? nmi_handle+0xf7/0x370
[  351.633569][    C1]  ? _raw_spin_lock_irq+0xca/0x110
[  351.633583][    C1]  ? default_do_nmi+0x62/0x150
[  351.633602][    C1]  ? exc_nmi+0xa8/0x100
[  351.633618][    C1]  ? end_repeat_nmi+0x16/0x31
[  351.633638][    C1]  ? _raw_spin_lock_irq+0xca/0x110
[  351.633653][    C1]  ? _raw_spin_lock_irq+0xca/0x110
[  351.633668][    C1]  ? _raw_spin_lock_irq+0xca/0x110
[  351.633683][    C1]  </NMI>
[  351.633687][    C1]  <TASK>
[  351.633692][    C1]  ? delete_from_page_cache+0x11c/0x190
[  351.633709][    C1]  ? _raw_spin_lock_irqsave+0x120/0x120
[  351.633726][    C1]  ? page_mapping+0x312/0x440
[  351.633745][    C1]  delete_from_page_cache+0x11c/0x190
[  351.633763][    C1]  truncate_inode_page+0x8d/0xb0
[  351.633781][    C1]  shmem_undo_range+0x535/0x1b50
[  351.633803][    C1]  ? shmem_truncate_range+0xa0/0xa0
[  351.633830][    C1]  ? __lock_acquire+0x1ff0/0x1ff0
[  351.633844][    C1]  ? do_raw_spin_lock+0x14a/0x370
[  351.633866][    C1]  shmem_evict_inode+0x21b/0xa00
[  351.633883][    C1]  ? _raw_spin_unlock+0x24/0x40
[  351.633897][    C1]  ? inode_wait_for_writeback+0x21f/0x280
[  351.633916][    C1]  ? shmem_free_in_core_inode+0xb0/0xb0
[  351.633934][    C1]  ? bit_waitqueue+0x30/0x30
[  351.633949][    C1]  ? do_raw_spin_unlock+0x137/0x8b0
[  351.633966][    C1]  ? shmem_free_in_core_inode+0xb0/0xb0
[  351.633984][    C1]  evict+0x529/0x930
[  351.634003][    C1]  ? proc_nr_inodes+0x330/0x330
[  351.634021][    C1]  ? _raw_spin_unlock+0x24/0x40
[  351.634034][    C1]  ? iput+0x6f5/0x8b0
[  351.634051][    C1]  __dentry_kill+0x436/0x650
[  351.634070][    C1]  dentry_kill+0xbb/0x290
[  351.634088][    C1]  dput+0xd8/0x1a0
[  351.634104][    C1]  __fput+0x636/0x8e0
[  351.634122][    C1]  task_work_run+0x129/0x1a0
[  351.634142][    C1]  get_signal+0x143a/0x14e0
[  351.634158][    C1]  ? blkdev_common_ioctl+0x689/0x2080
[  351.634182][    C1]  ? blkdev_bszset+0x250/0x250
[  351.634198][    C1]  arch_do_signal_or_restart+0xc3/0x1890
[  351.634227][    C1]  ? get_sigframe_size+0x10/0x10
[  351.634250][    C1]  ? print_irqtrace_events+0x210/0x210
[  351.634267][    C1]  ? exit_to_user_mode_loop+0x39/0x130
[  351.634284][    C1]  exit_to_user_mode_loop+0x97/0x130
[  351.634300][    C1]  exit_to_user_mode_prepare+0xb1/0x140
[  351.634316][    C1]  syscall_exit_to_user_mode+0x5d/0x240
[  351.634332][    C1]  do_syscall_64+0x47/0xb0
[  351.634346][    C1]  ? clear_bhb_loop+0x15/0x70
[  351.634362][    C1]  entry_SYSCALL_64_after_hwframe+0x66/0xd0
[  351.634377][    C1] RIP: 0033:0x7fb544aafd6b
[  351.634391][    C1] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[  351.634403][    C1] RSP: 002b:00007ffc5cf41850 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[  351.634419][    C1] RAX: 0000000000000000 RBX: ffffffffffffffff RCX: 00007fb544aafd6b
[  351.634430][    C1] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003
[  351.634440][    C1] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
[  351.634449][    C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000011
[  351.634458][    C1] R13: 00007ffc5cf418f0 R14: 00000000000125bb R15: 00002000000004c0
[  351.634475][    C1]  </TASK>
[  351.658218][   T27] Kernel panic - not syncing: hung_task: blocked tasks
[  351.658238][   T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.15.179-syzkaller #0
[  351.658260][   T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
[  351.658273][   T27] Call Trace:
[  351.658280][   T27]  <TASK>
[  351.658289][   T27]  dump_stack_lvl+0x1e3/0x2d0
[  351.658318][   T27]  ? io_uring_drop_tctx_refs+0x1a0/0x1a0
[  351.658360][   T27]  ? panic+0x860/0x860
[  351.658390][   T27]  panic+0x318/0x860
[  351.658408][   T27]  ? schedule_preempt_disabled+0x20/0x20
[  351.658444][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  351.658470][   T27]  ? fb_is_primary_device+0xd0/0xd0
[  351.658492][   T27]  ? arch_trigger_cpumask_backtrace+0x10/0x10
[  351.658520][   T27]  ? nmi_trigger_cpumask_backtrace+0x221/0x2a0
[  351.658541][   T27]  ? nmi_trigger_cpumask_backtrace+0x281/0x2a0
[  351.658566][   T27]  ? nmi_trigger_cpumask_backtrace+0x286/0x2a0
[  351.658592][   T27]  watchdog+0xeb0/0xeb0
[  351.658625][   T27]  kthread+0x3f6/0x4f0
[  351.658648][   T27]  ? hungtask_pm_notify+0x50/0x50
[  351.658671][   T27]  ? kthread_blkcg+0xd0/0xd0
[  351.658693][   T27]  ret_from_fork+0x1f/0x30
[  351.658729][   T27]  </TASK>
[  351.659034][   T27] Kernel Offset: disabled
[  352.240032][   T27] Rebooting in 86400 seconds..